More information is needed. St. Gaudens-design double eagles were struck from 1907 to 1932 at 3 different mints and in several different varieties.
If you can determine the date, mint mark, and variety you can get an idea of retail values at the Related Link below. Otherwise please post a new question with more details.
Unfortunately, the US mint did not product any St Gaudens gold coins in 1906. Production first began in 1907. View the link below to see a list of every year the St Gaudens Gold "Double Eagle" was produced and how much each of those coins are worth based on their condition.
Retail values are $1,650.00 to $2,010.00 in MS-60 to MS-63. The 1928 Saint-Gaudens $20.00 piece is the highest mintage (8,816,000) of any US gold coin struck for circulation
if it is in good condition, probably over 50, 000 because a 1927 St. Gaudens 20 gold coin from the Denver mint pulled in over 500,000 at an auction i beleive... The earliest U.S. 20 Dollar gold coin (Double Eagle) was dated 1849. Yours must be from another country.
Look at the date again. No $5 gold coins were struck in 1923.
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There is 0.9675 Troy ounces of pure gold in a $20 St. Gaudens.
According to the site CoinFacts.com, the nominal weight of an uncirculated St. Gaudens $20 coin is 33.4 grams.
Unfortunately, the US mint did not product any St Gaudens gold coins in 1906. Production first began in 1907. View the link below to see a list of every year the St Gaudens Gold "Double Eagle" was produced and how much each of those coins are worth based on their condition.
When new, these coins weighed 33.4 grams. 10% of that was copper, so the weight of pure gold is 0.9 * 33.4 = 30.06 gm
Next to nothing.First, this coin is not an official mint issue, meaning the collector value is zero.HGE stands for heavy gold electroplating which means this coin is just plated, it isn't solid gold. So it contains only a tiny amount of gold which makes the coin pretty much worthless.
All $20.00 gold coins have .96750oz of pure gold in them.
Retail values are $1,650.00 to $2,010.00 in MS-60 to MS-63. The 1928 Saint-Gaudens $20.00 piece is the highest mintage (8,816,000) of any US gold coin struck for circulation
if it is in good condition, probably over 50, 000 because a 1927 St. Gaudens 20 gold coin from the Denver mint pulled in over 500,000 at an auction i beleive... The earliest U.S. 20 Dollar gold coin (Double Eagle) was dated 1849. Yours must be from another country.
Mini coins are not issued by the US Mint. No estimated value can be given without knowing the metals used in the coin and their weight or percentage of the total weight of the coin. My guess is that they would be worth the calculated measurement of current gold prices, so it should be worth $19.56 per coin.
They range in value from $10,000.00 to more than $2,000,000.00 depending on which of the 5 types of 1907 Saint-Gaudens $20.00 gold coins that were struck. But there is a Liberty head 1907 $20.00 gold coin that is very common with values from $1,340.00 to $1,550.00 depending on grade.
Look at the date again. No $5 gold coins were struck in 1923.
It didn't cost anything, because there was no such thing yet. The first Gold Eagle bullion coins were minted in 1986.