Twenty Pounds 2015 Longest Reigning Monarch, Coin from United Kingdom - detailed information

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 · 20 POUNDS · 2015 ·. 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).

The reverse shows each of the five definitive portraits of Queen Elizabeth II which have been used on regular coinage of the United Kingdom, creating a time-line effect.

From left to right, the First Portrait by Mary Gillick (1953), the Second Portrait by Arnold Machin (1964), Third Portrait by Raphael David Maklouf (1985), Fourth Portrait by Ian Rank-Broadley (1998) and Fifth Portrait by Jody Clark (2015).

Below the portrait, the Queen's monogram E II R (abbreviated from Elizabeth II Regina, from Latin: Elizabeth the Second, Queen), crowned with the Imperial State Crown.

Around below, the inscription THE LONGEST REIGN.

The artist's initials ST (for Stephen Taylor) are below the monogram. The value, denomination and date are on the obverse.