UK Coins of 1691

Quick answer In 1691, the Royal Mint struck 14 distinct British coins across 12 denominations. Coinage from William and Mary's reign. The Royal Mint's 1691-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 1691-dated coin in our database is the 5 Guineas - William and Mary at £8,500 (highest realised auction price across all grades).