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 (Irish coin) the harp and the date on the right. Shilling (Irish coin) The shilling (1s) () coin was a subdivision of the pre-decimal Irish pound, worth of a pound. The original minting of the coin from 1928 until 1942 contained 75% silver; this Irish coin had a higher content than the equivalent British coin. These earlier coins were noticeably different from their later counterparts as they were of a lighter hue than the cupronickel coins minted from 1951, and they resisted wear less well. The cupronickel coin contained 75% copper and 25% nickel. The coin measured in diameter and weighed 5.655