One Dollar, Coin Type from Australia - detailed information

One Dollar, Coin Type from Australia (issued 1984 - )
Coin TypeOne Dollar

1984 saw the introduction of the dollar coin denomination in Australia, replacing the earlier banknotes.

As the introductory information by the Royal Australian Mint in 1984 explains:

"The coin has several distinctive features; it has a golden colour which distinguishes it from cupro-nickel or bronze coins; the coin is thicker compared to other coins of similar diameter, and the edge, comprised of seven plain and seven milled segments, makes the new coin distinctive visually and to the touch. However, the unusual edge design does not inhibit the coin's ability to roll, so that it can be used in vending machines.

The reverse design, by featuring the kangaroo, continues the Australian fauna theme of the current circulating coinage. The kangaroo is Australia's best known native animal, and is instantly identifiable with Australia. Its ability to hop long distances and jump high obstacles has made this marsupial world famous."

The coin type described above is known in Australia as the "mob of roos" type ("roo" being short for kangaroo). There have also been a large number of circulating commemorative issues.

The composition is 92% copper, 6% aluminium and 2% nickel.

Obverse
Australia / One Dollar - obverse photo

Australian decimal coins have carried four portraits of Her Majesty Queen Elizabeth the Second.

The inclusion of an effigy of the Queen on the obverse of Australia's coinage is mandated by Regulation 4 (c) of the Currency Regulations made under the Currency Act 1965. Portraits of Her Majesty have all faced to the right in line with a convention, said to have commenced with Charles II (1660-1685), that the new Monarch's portrait would face in a direction opposite to that of their predecessor.

Obverse Inscription Legend of the ruling monarch
Reverse
Australia / One Dollar - reverse photo

Reverse Inscription 1 DOLLAR
EdgeMilled interrupted, in seven sectionsEdge InscriptionNone
Notes

If you keep your coins in 2x2 cardboard holders, the best size for one dollar coins is 27.5mm.

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One Dollar: Details
CountryAustralia
CurrencyAustralian Dollar
Sub-types One Dollar Mob of Roos
One Dollar Circulating Commemorative
From1984
Face Value1 (x Dollar)
CurrentYes
MaterialAluminium-Bronze
DesignerStuart Devlin
TechnologyMilled (machine-made)
ShapeRound
Size25.120 mm
Mass9.000 g
One Dollar: Photos
ImageDetails
Australia, Elizabeth II, Dollar, 1984
Copyright: NumisCorner.com
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Australia, Elizabeth II, Dollar, 1984
Copyright: NumisCorner.com
Source
Australia, Elizabeth II, Dollar, 1985
Copyright: NumisCorner.com
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Coin, Australia, Dollar, 2014
Copyright: NumisCorner.com
Source