Labels:text | screenshot | font OCR: Coin History [ 15 February 1965 ] A new obverse with the Queen showing more mature facial features and wearing a tiara was D . G .REGINA 50 CENTS introduced in 1965. CANAD ELIZA 50-cent piece, 1965-66. The Charlton Standard Catalogue of Canadian Coins, 58th Edition, (Toronto: The Charlton Press, 2004), p. 139.