Penny (Irish decimal coin) from 2002 on its own). Penny (Irish decimal coin) The decimal one penny (1p) () coin was the second smallest denomination of the Irish pound. It was first issued when the Irish currency was decimalised on Decimal Day, 15 February 1971. It was the second of three new designs introduced all in bronze, the others being a half-penny and a two pence coin. All featured ornamental birds designed by Irish artist Gabriel Hayes on the reverse. The coin originally had a diameter of 2.032 centimetres and mass of 3.564 grams consisting of copper, tin and zinc. This was identical to
Coins of the Canadian dollar started issuing their own coins denominated in cents, featuring the likeness of Queen Victoria on the obverse. These replaced the sterling coins previously in circulation. The Province of Canada was the first to issue decimal coins. They were based on the value of the American dollar, due to an influx of American silver. Denominations issued were 1¢, 5¢, 10¢, and 20¢. The 1¢ coin was issued again in 1859, but it was very unpopular due to its extremely light weight. The coins had to be discounted by around 20% to get them into circulation. Other colonies that issued decimal coinage