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
Threepence (Irish coin) to on the left of the harp and the date on the right. Threepence (Irish coin) The threepence () or 3d coin was a subdivision of the pre-decimal Irish pound, worth of a pound or of a shilling. literally means "half ", the being a sixpence coin worth about the same as the Spanish (a quarter of a peseta). As with all other Irish coins, it resembled its British counterpart, as the Irish pound was pegged to the British pound until 1979. Originally it was struck in nickel and was very hard-wearing. In 1942, as nickel became more costly, the