As of 05/2015 approximate prices are:
DISCLAIMER: The values quoted are market averages as of the date shown, but may be different for an individual bill due to variations in quality and other factors. Also the wholesale (buying) price of a bill will be less than the selling (retail) price. A reputable currency dealer will be able to give a more accurate valuation based on an in-person inspection.
The United States did not print a 1915 $10,000 gold certificate.
Sorry, but 1 dollar gold coins were not issued in 1906. Only 2.5, 5, 10, and 20 dollar gold coins were made. Check your date.
2.5 dollars :)
Please check your bill again. As the banner across the top indicates, it's a silver certificate, not gold. All gold certificates were withdrawn in 1933. There's more information at the question "What is the value of a 1957 US 1 dollar silver certificate?"
Yes. The 1928 series was the last for circulating gold certificates, and $10 was the lowest denomination. There's more information at the question "What is the value of a 1928 US 10 dollar gold certificate?"
The United States did not print a 1915 $10,000 gold certificate.
Sorry, but 1 dollar gold coins were not issued in 1906. Only 2.5, 5, 10, and 20 dollar gold coins were made. Check your date.
2.5 dollars :)
Please check your bill again. As the banner across the top indicates, it's a silver certificate, not gold. All gold certificates were withdrawn in 1933. There's more information at the question "What is the value of a 1957 US 1 dollar silver certificate?"
Not every old bill is automatically a certificate so it's important to check carefully. If it has a gold seal and says "Gold Certificate", see the question "What is the value of a 1928 US 10 dollar gold certificate?" for values. If it has a green seal and says "Federal Reserve Note", it's not a certificate, it's a Federal Reserve Note. See the question "What is the value of a 1928 US 10 dollar Federal Reserve Note?" for values.
Yes. The 1928 series was the last for circulating gold certificates, and $10 was the lowest denomination. There's more information at the question "What is the value of a 1928 US 10 dollar gold certificate?"
Current retail is around $260
Very definitely. 1922 gold certificates were printed in denominations of $10, $20, $50, $100, $500, and $1000. For more information please see "What is the value of a 1922 US 20 dollar gold certificate?"
Your bill is most likely a 1905 $20 gold certificate. If correct, please see the question "What is the value of a 1905 US $20 gold certificate?" for more information.
Please check the banner across the top of your bill. It should say United States Note, not gold certificate. There's never been a $2 Gold Certificate and in any case, all gold certificates of any denominations were withdrawn from circulation in 1933. There's more information the at question "What is the value of a 1963 US 2 dollar bill?".
As of 11/2008 auction values for circulated specimens are in the range of $180.-$400. depending on how worn the bill is.
Current retail values are $680.00-$800.00 for circulated coins