UK Coins of 1721

Quick answer In 1721, the Royal Mint struck 15 distinct British coins across 14 denominations. Coinage from George I's reign. The Royal Mint's 1721-dated output covered the standard denominations of the period; rare-date interest in this year focuses on low-mintage variants and proof issues, listed below. The most valuable 1721-dated coin in our database is the 1 Guinea - George I 4th portrait at £1,800 (highest realised auction price across all grades).