Florin (British coin) angles. The new florin closely resembles the Gothic crown of 1847; the obverse for both was designed by the Chief Engraver of the Royal Mint, William Wyon, while the reverse of both was designed by William Dyce. Unlike the crown's Gothic script, the 1849 florin has Roman lettering. The 1849 florin, issued in silver, weighed 11.3 grams and had a diameter of 28 millimetres. The new coin made clear its value with the inscription on the reverse. To aid in the decimal experiment, the half crown (two shillings and sixpence, or one-eighth of a pound), near to the florin in
Halfpenny (Irish decimal coin) so a sixpence (half of a shilling) yielded a value of new pence. Its dimensions and appearance were the same as the British coin of the same denomination as the pounds of Britain and Ireland were pegged until 1979. The coin was designed by the Irish artist Gabriel Hayes and the design is adapted from the manuscript Cologne Collectio Canonum (Cologne, Dombibliothek Cod. 213) in Cologne. The coin has a diameter of 1.7145 centimetres and mass of 1.782 grams consisting of copper, tin and zinc. The coin was worth of an Irish pound. The 1985 version of this coin is