Fifty Pence 2021 Charles Babbage, Coin from United Kingdom - detailed information

Fifty Pence 2021 Charles Babbage, Coin from United Kingdom
CoinFifty Pence 2021 Charles Babbage

The British fifty pence (50p) coin - often pronounced fifty pee - is a unit of currency equalling one half of a Pound Sterling. It is a seven-sided coin formed as an equilateral-curve heptagon, or Reuleaux polygon - a curve of constant width, meaning that the diameter is constant across any bisection. This shape, which was revolutionary at the time of its introduction, makes it easily distinguishable from round coins both by feel and by sight, while its constant breadth allows it to roll in vending machines.

The first UK Fifty Pence coin was issued in 1969 with the classic Britannia reverse design by Christopher Ironside, which was superseded in 2008 by the Matthew Dent design for circulation coins.The denomination is also extensively used to issue circulating commemorative coins.

Beginning in 2009, the Royal Mint started issuing 50 pence coins for collectors - such as this one - which are not meant to be released in circulation, so are classified as Non-Circulating Legal Tender (NCLT).

This commemorative 50p coin is the fourth in the Innovation in Science 50p series, and marks the 150th anniversary of the death of Charles Babbage.

Charles Babbage KH FRS (1791 - 1871) was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer. He is considered by some to be "father of the computer". Babbage is credited with inventing the first mechanical computer, the Difference Engine, that eventually led to more complex electronic designs, though all the essential ideas of modern computers are to be found in Babbage's Analytical Engine, programmed using a principle openly borrowed from the Jacquard loom.

Babbage had a broad range of interests in addition to his work on computers covered in his book Economy of Manufactures and Machinery. His varied work in other fields has led him to be described as "pre-eminent" among the many polymaths of his century. Babbage, who died before the complete successful engineering of many of his designs, including his Difference Engine and Analytical Engine, remained a prominent figure in the ideating of computing. Parts of Babbage's incomplete mechanisms are on display in the Science Museum in London. In 1991, a functioning difference engine was constructed from Babbage's original plans. Built to tolerances achievable in the 19th century, the success of the finished engine indicated that Babbage's machine would have worked.

The coins were issued in a variety of collector formats only. No coins of this type were released into circulation.

MintRoyal Mint Mint MarkNo mint mark Total Mintageunknown
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Obverse
United Kingdom / Fifty Pence 2021 Charles Babbage - obverse photo

The obverse of the coin depicts the crowned old head of Queen Elizabeth II facing right, wearing the Royal Diamond Diadem crown worn for her Coronation (effigy known as the "Fifth Portrait").

Running continuously around the effigy is the monarch's legend and the date: ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·. Translated from Latin: Elizabeth the Second, by the Grace of God, Queen, Defender of the Faith, followed by the value and denomination in English and the year.

In small letters below the head, the artist's initials J.C (for Jody Clark).

Obverse Inscription ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Reverse
United Kingdom / Fifty Pence 2021 Charles Babbage - reverse photo

The reverse design of the coin represents a part of Charles Babbage's "Difference Engine", with the vertical axles being parts of some letters, and other letters spaced between them, spelling as a whole charles babbage on two lines, below which numbers (2122175).

Below, the designer's initials NT (for Nigel Tudman).

The value and denomination, and date of issue are on the obverse.

Reverse Inscription charles babbage 2122175
EdgePlainEdge InscriptionNone
Notes

Date of issue: 13 October 2021.

See also

Coins in the Innovation in Science series include:
- 50 Pence Stephen Hawking 2019
- 50 Pence Rosalind Franklin 2020
- 50 Pence John Logie Baird 2021
- 50 Pence Charles Babbage 2021
- 50 Pence Discovery of Insulin 2021

Fifty Pence 2021 Charles Babbage: Known varieties
Variety In presentation card
Images United Kingdom / Fifty Pence 2021 Charles Babbage / In presentation card - obverse photo United Kingdom / Fifty Pence 2021 Charles Babbage / In presentation card - reverse photo
Mintage Issued: unknown
Details

Brilliant Uncirculated coin in a presentation card.

Royal Mint Product Code: UK21CBBU. Issue price: £10.00.

Variety Silver Proof FDC
Images United Kingdom / Fifty Pence 2021 Charles Babbage / Silver Proof FDC - obverse photo United Kingdom / Fifty Pence 2021 Charles Babbage / Silver Proof FDC - reverse photo
Mintage Issued: unknown. Mintage limit: 4,000
Material0.925 Silver
Details

27.30 mm, 8.00 g sterling silver.

In black presentation box Royal Mint Product Code: UK21CBSP. Issue limit: 3,500. Maximum Coin Mintage: 4,000. Issue price: £57.50.

Variety Silver Proof Piedfort
Images United Kingdom / Fifty Pence 2021 Charles Babbage / Silver Proof Piedfort - obverse photo United Kingdom / Fifty Pence 2021 Charles Babbage / Silver Proof Piedfort - reverse photo
Mintage Issued: unknown. Mintage limit: 1,510
Material0.925 Silver
Details

Identical to the Silver Proof but double the thickness and weight.
27.30 mm, 16.00 g sterling silver.

In black presentation box Royal Mint Product Code: UK21CBPF. Issue limit: 1,500. Maximum Coin Mintage: 1,510. Issue price: £102.50.

Variety Gold Proof FDC
Images United Kingdom / Fifty Pence 2021 Charles Babbage / Gold Proof FDC - obverse photo United Kingdom / Fifty Pence 2021 Charles Babbage / Gold Proof FDC - reverse photo
Mintage Issued: unknown. Mintage limit: 405
Material0.9167 Gold
Details

27.30 mm, 15.50 g 22-carat red gold.

In mahogany presentation box Royal Mint Product Code: UK21CBGP. Issue limit: 250. Maximum Coin Mintage: 260. Issue price: £1,065.00.

All (68) coins of type: Fifty Pence (Non-Circulating Legal Tender)
Coin NameMintageEffigyLegend
Fifty Pence 2009 - London 2012 - Athletics 19,751 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 New Pence (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 EEC (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 Single Market (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 D-Day (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 EU (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 NHS (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 Public Libraries Act (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 Suffragettes (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 Roger Bannister (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 Dictionary (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 Victoria Cross - Award (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 Victoria Cross - Heroic Acts (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2009 Scouting (NCLT) 1,039 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2009
Fifty Pence 2010 - London 2012 - Cycling (Gold) 1 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2010
Fifty Pence 2012 - London 2012 - Athletics (Gold) 26 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Boxing (Gold) 18 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Canoeing (Gold) 17 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Cycling (Gold) 26 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Equestrian (Gold) 22 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Rowing (Gold) 26 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Sailing (Gold) 17 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Shooting (Gold) 17 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Taekwondo (Gold) 15 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Tennis (Gold) 25 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2012 - London 2012 - Triathlon (Gold) 22 Queen Elizabeth II - Fourth Portrait ELIZABETH · II · D · G REG · F · D · 2012
Fifty Pence 2018 The Snowman (NCLT) 170,705 Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2018 ·
Fifty Pence 2019 Stephen Hawking (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 New Pence (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 Roger Bannister (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · DEI · GRA · REG · FID · DEF · 2019 ·
Fifty Pence 2019 Scouting (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · DEI · GRA · REG · FID · DEF · 2019 ·
Fifty Pence 2019 Kew Gardens (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 Girl Guiding (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · DEI · GRA · REG · FID · DEF · 2019 ·
Fifty Pence 2019 D-Day (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · DEI · GRA · REG · FID · DEF · 2019 ·
Fifty Pence 2019 Victoria Cross - Award (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · DEI · GRA · REG · FID · DEF · 2019 ·
Fifty Pence 2019 Victoria Cross - Heroic Acts (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · DEI · GRA · REG · FID · DEF · 2019 ·
Fifty Pence 2019 Battle of Britain (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 Battle of Hastings (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 Peter Rabbit (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 The Gruffalo (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 The Gruffalo and Mouse (NCLT) unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 The Snowman unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2019 Wallace and Gromit unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2019 ·
Fifty Pence 2020 Team GB unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Megalosaurus unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Iguanodon unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Hylaeosaurus unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Peter Rabbit unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Rosalind Franklin unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Winnie the Pooh unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Winnie the Pooh - Christopher Robin unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Winnie the Pooh - Piglet unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 Diversity unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2020 The Snowman unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2020 ·
Fifty Pence 2021 Anniversary of Decimalisation unknown Queen Elizabeth II - Second Portrait ELIZABETH II D · G · REG · F · D · 2021 50 PENCE
Fifty Pence 2021 John Logie Baird unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Charles Babbage unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Discovery of Insulin unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Temnodontosaurus unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Plesiosaurus unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Dimorphodon unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Team GB unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Winnie the Pooh and Friends unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Winnie the Pooh - Owl unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 Winnie the Pooh - Tigger unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2021 The Snowman unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2021 ·
Fifty Pence 2022 Platinum Jubilee, Equestrian Portrait unknown Equestrian Portrait of Queen Elizabeth II ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2022 ·
Fifty Pence 2022 Commonwealth Games unknown Queen Elizabeth II - Fifth Portrait ELIZABETH II · D · G · REG · F · D · 50 PENCE · 2022 ·
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Fifty Pence 2021 Charles Babbage: Details
CountryUnited Kingdom
CurrencyPound Sterling
Coin TypeFifty Pence (Non-Circulating Legal Tender)
Issued2021
MonarchQueen Elizabeth II
EffigyQueen Elizabeth II - Portrait by Jody Clark (Fifth Portrait)
Face Value50 (x Penny)
Mintageunknown
CurrentYes
MaterialCuproNickel
DesignerNigel Tudman, Jas Bhamra
TechnologyMilled (machine-made)
ShapeHeptagon (Seven-sided)
OrientationMedal Alignment (Axis 0)
Size27.300 mm
Thickness1.780 mm
Mass8.000 g
OCC IDRWKZ-EJNC-QXXL-EXGL
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Fifty Pence 2021 Charles Babbage: Photos
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Charles Babbage 2021 UK 50p Gold Proof Coin
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Charles Babbage 2021 UK 50p Silver Proof Piedfort Coin
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Charles Babbage 2021 UK 50p Silver Proof Coin
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Charles Babbage 2021 UK 50p Silver Proof Coin
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Charles Babbage 2021 UK 50p Brilliant Uncirculated Coin
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Charles Babbage 2021 UK 50p Brilliant Uncirculated Coin
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