1979 - 1980 Mexican Una Onza Troy De Plata Pura Coin .925 Silver 1oz Casa De Moneda 2x coins one of each date - Professional Dealers of Coins, Bank Notes and Bullion.
1979 Mexican Silver Coin One Ounce UNA ONZA TROY DE PLATA | eBay
Silver Ounce 1979, Coin from Mexico - Online Coin Club
1979 Mo. MEXICO UNA (1) ONZA TROY DE PLATA PURA SILVER COIN KM # M49b.4 | eBay
1979 Mexican Una Onza Troy de plata pure - collectibles - by owner -...
El Secreto de la Onza Troy de 1978 | EL DATO
Mexican 1979 una onza troy de plata pura casa de moneda - YouTube
1979 Mo type IV Mexican Silver 1 Ounce (press) - Silver Age Coins