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
Penny (British pre-decimal coin) endemic by 1812, as more and more of the Government-issued copper coinage was melted down. The Royal Mint undertook a massive recoinage programme in 1816, with large quantities of gold and silver coin being minted. To thwart the further issuance of private token coinage, in 1817 an Act of Parliament was passed which forbade the manufacture of private token coinage under very severe penalties. Copper coins continued to be minted after 1797, through the reigns of George III, George IV and William IV, and the early reign of Queen Victoria. These later coins were smaller than the cartwheel pennies of