No, the $20 gold coins have .96750oz of pure gold in them. The modern Gold Bullion coins with the $50.00 denomination are the only one ounce US gold coins made.
MUCH more information is needed. Many countries have struck gold bullion coins for sale to collectors and investors, and there are many circulation coins that look like they're made of gold but are...
A common $20 US gold coin has .96 oz. of pure gold the minimum value is Gold spot times 96 so as of today 880 X .96 = $844.80 January 20th,2008. However, if it is in superior condition, it is worth...