The commemorative coins of Spain are minted by the Real Casa de la Moneda * 10 euros : Silver 8-réales - weight : 27 g - diameter : 40 mm * 12 euros : Silver - weight : 18 g - diameter : 33 mm * 50 euros : Silver sequin - weight : 168,75 g - diameter : 73 mm * 200 euros : Gold 4-escudos - weight : 13,5 g -diameter : 30 mm * 400 euros : Gold