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
Two pence (British decimal coin) legal tender only up to the sum of 20p; this means that it is permissible for a court to refuse payment of sums greater than this amount in 1p and 2p coins in order to settle a debt. The two pence coin was originally minted from bronze, but since 1992 it has been minted in copper-plated steel due to the increasing price of metal. By May 2006 the pre-1992 (97% copper) coins contained 3p worth of copper each. As of May 2006, about 2.55 billion such coins remained in circulation. However, The Royal Mint warned that tampering with coinage is