- Produced by Tower Mint London and exclusive to The London Mint Office.
- Struck in 22 carat gold and finished to a proof standard.
- Created to celebrate 500 years of British coinage.
- The reverse of the coins feature the Royal Shield of Arms of the United Kingdom on top of the Tudor Rose, a design reimagined by Raphael Maklouf.
- Created by King Henry VII after the Wars of the Roses, the Tudor Rose featured on the reverse of the coins symbolised the start of the Tudor dynasty, with the union of the House of York and the House of Lancaster.
- The Royal Shield of Arms of the United Kingdom on the reverse of the coins feature the Passant Guardant Lions of England, a floral bordered Lion Rampant of Scotland and the Harp of Ireland.
- The obverse of the coins illustrate the uncrowned portrait of King Charles III, created by Raphael Maklouf.
- The Latin inscription around the obverse of the coins, 'CHARLES III · DEI · GRA · REX · F · D · GIBRALTAR', an abbreviation from 'CHARLES III DEI GRATIA REX FIDEI DEFENSOR GIBRALTAR', translates as 'Charles III, by the Grace of God, King, Defender of the Faith, Gibraltar', alongside the year '2026', in English.
- The signature initials 'RDM', of the artist Raphael Maklouf, are positioned on the reverse of the coins at the base of the neck, on the portrait of King Charles III.
- The collection includes the Eighth Sovereign and Quarter Sovereign coins.
- Maximum mintage of 999.
