There were no $20 gold coins minted in the USA in 1939.
Repharse question, no US Twenty Dollar gold coins were made after 1933.
These coins weighed 33.1 grams when new, and are 90% gold.
Only the Philadelphia & San Francisco Mints struck $20.00 gold coins in 1901
Lincoln penny, walking liberty half dollar, ten dollar Indian head gold & twenty dollar St. Gaudens gold. Most of the gold coins were melted before ever going into circulation.
No, copies of coins only have the value of the metal in them. Because most current ones are gold plated copper, you are looking at a coin worth about 7 cents in copper value. The coin will not gain any more value as time goes on. They make terrible investments. If you want the coin, see if you can buy it at a thrift shop or a coin shop, often they will sell copies and stuff like that for a buck or two.
No.
Less then 100 proofs are known for this date, so no
Assuming no mint mark retail for circulated coins is $1,370.00-$1,890.00
There weren't ever any twenty dollar gold coins made in the US. Would this be from a different country? The US gold coins exist as $5 1/10 OZ, $10 1/4 OZ, $25 1/2 OZ and $50 1 OZ.
The value of a 1904 twenty dollar gold coin depends on the condition it is in. A near mint specimen can be worth up to 1,000 dollars.
The last U.S. $20 gold coins were made in 1932. Please check again and post a new question.