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
British twenty-five pence coin a diameter of 38.61 mm. Twenty-five pence coin issues were discontinued after 1981 due to the prohibitive cost to the Royal Mint of producing such large coins with such small value. From 1990 the "crown" was revived as the commemorative five pound coin, having the same dimensions and weight but a value twenty times as great. The two can be distinguished because the five pound coin is marked with its value. The following 25p coins were produced: British twenty-five pence coin The commemorative British decimal twenty-five pence (25p) coin was issued in four designs between 1972 and 1981. These coins