31 December 1990, and 30 June 1993 for the florin (10p). A new, smaller 5p coin was introduced in June 1990, and the shilling-size 5p coin (and remaining shill

31 December 1990, and 30 June 1993 for the florin (10p). A new, smaller 5p coin was introduced in June 1990, and the shilling-size 5p coin (and remaining shilling coins) were withdrawn at the end of that year. In theory, some very old shillings and florins from 1816 could still have been in circulation in 1990 and 1992. But, the Royal Mint and coin collectors would have removed those whenever they could (only pre-1947 ones by Mint for the silver content).