- Produced by The Royal Mint.
- Each coin is struck in .925 sterling silver and finished to a proof standard.
- The 'Piedfort', releases are produced with twice the thickness of the standard edition of the coins.
- Created to commemorate 100 years since the birth of Queen Elizabeth II on 21st April 1926.
- The collection includes coins that celebrate the five definitive portraits, which were used on British coinage throughout the reign of Queen Elizabeth II spanning 70 years.
- The coins in the collection were made available as individual coins.
- The reverse of each coin showcases the five definitive portrait designs of Queen Elizabeth II by Mary Gillick OBE, Arnold Machin OBE, Raphael Maklouf, Ian Rank-Broadle and Jody Clark.
- The designs on the reverse of the coins have been remastered by Gordon Summers, Chief Engraver at The Royal Mint, which includes the engraving of radial lines that catch the light when the coins are turned to create an aura of elegance and permanence.
- The inscription, 'PORTRAIT OF A QUEEN', followed by the time frame in years when the portrait was used, is featured on the reverse of the coins, around the edge on the right.
- The obverse of the coins feature the official, uncrowned portrait of King Charles III, created by Martin Jennings.
- The Latin inscription around the obverse of the coins, 'CHARLES III · D · G · REX · F · D · ', an abbreviation of 'CHARLES III DEI GRATIA REX FIDEI DEFENSOR', translates as 'Charles III, by the Grace of God, King, Defender of the Faith', followed by the value of '5 POUNDS', and the year '2026', in English.
- The initials 'MJ', of the artist Martin Jennings who created the official portrait of King Charles III, are displayed on the obverse of the coins, below the neck of the portrait.
- Provided by The Royal Mint in a presentation case.
- Maximum mintage of 1,510.
