Mexican 50 Pesos Gold Coin
Diameter: 37mm (1.45")
Gold content: 37.5 grams (1.2057 troy oz)
Price will be calculated as follows: [(1.2057 X Spot) + $20]
For example, suppose that the spot for gold is $1275.90. Then at 1.2057 oz, this coin would contain $1538.35 worth of gold. Altogether including the $20 premium, your cost will be $1558.35. Current spot price is available at several sites including http://www.kitco.com/market/.