Decimal Day weights and measures.) Around the time of Decimalisation Day, "Decimal Adders" and other converters were available to help people convert between the old and new coins. The following is a table showing conversions between the decimal and pre-decimal systems. All pre-decimal coins (except for certain non-circulating coins such as crowns, sovereigns, and double florins which were explicitly excluded from demonetisation) are now no longer legal tender. Public outcry at the proposed demise of the old sixpence (6d), worth exactly p and originally slated for early withdrawal, postponed its withdrawal until June 1980. Shillings and florins, together with their same-sized 5p
Coins of the pound sterling one-pound coin, depicts the entire shield of arms on the reverse. All current coins carry a Latin inscription whose full form is , meaning "Elizabeth II, by the grace of God, Queen and Defender of the Faith". In addition to the circulating coinage, the UK also mints commemorative decimal coins (crowns) in the denomination of five pounds. Prior to decimalisation, the denomination of special commemorative coins was five shillings, that is, of a pound. Crowns, therefore, had a face value of 25p from decimalisation until 1981, when the last 25p crown was struck. Ceremonial Maundy money and bullion coinage of