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
Sixpence (Irish coin) Sixpence (Irish coin) The sixpence (6d, ) coin was a subdivision of the pre-decimal Irish pound, worth of a pound or of a shilling. The Irish name ("reul") is derived from the Spanish "real". The coin was originally struck in nickel, like the threepence coin, and was very well wearing. The metal was changed to cupronickel in 1942 as nickel increased in value; this coin, which consisted of 75% copper and 25% nickel, was not as well-wearing. The coin measured in diameter and a weighed 4.53593 grams. Five early coins were minted featuring a design by Publio Morbiducci, which depict