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
Ten shilling coin Day, being fifty new pence in value. Ten shilling coin The ten shilling (10s) () coin was a one-off commemorative coin issued in Ireland in 1966 to mark the 50th anniversary of the Easter Rising. Ten shillings was a subdivision of the pre-decimal Irish pound, worth of an Irish pound, making this the highest value coin in the pre-decimal system. The coin was 83.5% silver and 16.5% copper. It measured in diameter and weighed 18.144 grams, therefore containing of silver. The coin did not prove popular, and 1,270,000 of the two million produced were withdrawn and melted down. This unpopularity