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
Trillion dollar coin Treasury in 1996. Laurence Tribe, a constitutional law professor at Harvard Law School, said the legal basis of the trillion dollar coin is sound and that the coin could not be challenged in court as no one would have standing to do so. Professor Jonathan H. Adler of the Case Western Reserve University School of Law has said that he believes the legality of the trillion dollar coin to be dubious. The idea for the Treasury Department to mint a coin and send it to the Federal Reserve in order to pay off the debt was first popularized by Populist