Mexico Silver Coins - Lot of 7 - Un Peso - Cien Pesos

You are bidding on (7) Mexico Silver Coins. I don't know anything about them or their silver content. Please research before bidding. It includes:
(1) 1922 Un Peso
(2) 1923 Un Peso
(1) 1932 Un Peso
(1) 1958 Un Peso