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
Shilling (British coin) coins was determined by the market price of the metal contained within them. This debasement was recognised as a mistake, and during Elizabeth's reign newly minted coins, including the testoon (now known as the shilling), had a much higher silver content and regained their pre-debasement value. Shillings were minted during the reign of every British monarch following Edward VI, as well as during the Commonwealth, with a vast number of variations and alterations appearing over the years. The Royal Mint undertook a massive recoinage programme in 1816, with large quantities of gold and silver coin being minted. Previous issues of