There are 0.0156 Troy ounces of pure gold in the US $10 gold or 15.0463 grams.
1.672 grams
An 1857 Indian Head gold one dollar coin should weigh 1.672 grams.
All US 20 Dollar gold coins have a weight of 33.436 grams.
A 1924 Saint-Gaudens $20 gold coin weighs 33.436 grams and of that weight, gold comprises 30.092 grams.
All US 20 Dollar gold coins have a weight of 33.436 grams.
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If your asking about a U.S. 1880 Liberty Head $5 dollar gold coin it has .24187oz. of pure gold in it. This equals 7.5230 grams
NO GOLD in any circulating US coins, the outer layers of Manganese Brass on the one dollar coins gives them that color.
The weight as issued is 33.436 grams. All U.S. $20.00 gold coins are the same weight.
It depends a lot on exactly what gold coin it is and what condition it is in.
The weight of this coin is 8.359 grams and has .24187oz pure gold. This standard is for all Half Eagles from 1839 to 1929.