Labels:text | screenshot | coin OCR: Coin History [ 1801 ] Of the British coinage issued up to the end of the War of 1812, the British halfpenny of King George II and King George III were the most commonly used British coins. King George III halfpenny in use in British North America 1770- circa 1816. The Charlton Standard Catalogue of Canadian Coins, 58th Edition, (Toronto: The Charlton Press, 2004), p. 12.