10 - 1968 MEXICO 25 Pesos Olympic Coin. 720 SILVER COIN lot of 10 coins. These are very nice coins. 5208 oz silver per coin. Daughter is heading off to collage so I need to sell some of my stack as painful as it is.10 1968 MEXICO 25 Pesos Olympic Coin. 720 SILVER COIN lot of 10 coins" is in sale since Friday, June 12, 2020. This item is in the category "Coins & Paper Money\Coins\ World\North & Central America\Mexico\Mexico (1905-Now)". The seller is "doubl36" and is located in Butler, Indiana. This item can be shipped to United States.