Labels:text | screenshot | coin | mint | currency | money OCR: Coin History [ 22 October 1964 ] Modified coat-of-arms was adopted for the 50-cent piece. One of the major changes compared to the DEI GRATIA previous design was the addition of a ribbon at the CEN bottom bearing "A MARI USQUE AD MARE" meaning "from sea to sea" and making reference REGINA to the territorial extent of the country. ELIZABETH 50-cent piece, 1959-64. The Charlton Standard Catalogue of Canadian Coins, 58th Edition, (Toronto: The Charlton Press, 2004), p. 139.