- Produced by The Royal Mint.
- Struck in .925 sterling silver and finished to a proof standard.
- The 'Piedfort', release is produced with twice the thickness of the standard edition of the coin.
- Created to commemorate 100 years since the birth of Queen Elizabeth II on 21st April 1926.
- Part of a series of coins that celebrate the five definitive portraits, which were used on British coinage throughout the reign of Queen Elizabeth II spanning 70 years.
- The coin forms part of other coin collections or made available as an individual coin.
- The reverse of the coin features the iconic fourth portrait of Queen Elizabeth II by Ian Rank-Broadley.
- The design on the reverse of the coin has been remastered by Gordon Summers, Chief Engraver at The Royal Mint, which includes the engraving of radial lines that catch the light when the coin is turned to create an aura of elegance and permanence.
- The inscription, 'PORTRAIT OF A QUEEN 1998 - 2015', is featured on the reverse of the coin, around the edge on the right.
- The initials 'IRB', of the artist Ian Rank-Broadley, are positioned on the reverse of the coin at the base of the neck, underneath the portrait of Queen Elizabeth II.
- The obverse of the coin features the official, uncrowned portrait of King Charles III, created by Martin Jennings.
- The Latin inscription around the obverse of the coin, '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 coin, below the neck of the portrait.
- Provided by The Royal Mint in a presentation box.
- Maximum mintage of 1,510.
