What is a 1945 dos peso gold coin worth?

The dos peso is a 22k gold coin tha weighs 1.667g. The actual gold content is 1.499g, or .0482 ounces, the rest being copper to add toughness to the coin. Multiply the spot price of an ounce of gold, (1424.10 this moment), times .0482 and get $68.62. Add a bit for the dealer if you're buying to about $73 or subtract a bit if you're selling to about $65 and there you are.