Commemorative coins of Canada note issued by the Bank of Canada and the Voyageur dollar. For the list of commemorative one dollar coins issued by the Mint since 1987, see: Loonie. The fifty cent coin has borne the Canadian coat of arms on its reverse since the current coin designs were introduced in 1937. There were minor changes to the design of the arms in 1959, when the depiction of the arms was simplified. As well, the Queen suggested that the Tudor crown on the arms be replaced with the crown of St Edward the Confessor. Although a circulating coin, the fifty-cent coin is
Loonie and its 11-sidedness matched that of the already-circulating Susan B. Anthony dollar in the United States, and its thickness of 1.95 mm was a close match to the latter's 2.0 mm. Its gold colour differed from the silver-coloured Anthony dollar; however, the succeeding Sacagawea and Presidential dollars matched the loonie's overall hue. Other coins using a curve of constant width include the 7-sided British twenty pence and fifty pence coins (the latter of which has similar size and value to the loonie, but is silver in colour). After its introduction, the coin became the symbol of the Canadian dollar: media