As of 02/2009 auction prices are about $24 for circulated bills with no letter next to the date or an A, B, C, or D. If there is a small E, its value range is $50.-$65.
Uncirculated specimens go for about 50% more.
Serial Numbers
A bill's serial number is a counter and a security feature. In most cases it doesn't affect a bill's value or help to identify it. Some collectors specialize in bills with low serial numbers (e.g. 00000005) or unusual patterns (12344321) so these can bring above-average prices.
In God We Trust
The motto wasn't added to $100 bills until 1963 so a 1950-series bill won't have the wording.
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.
1950-E is the most valuable $20 bill in the 1950 series. As of 09/2012 values are in the range $50 to $65 for a bill in circulated condition. An uncirculated one can bring $90 or more.
Please check your bill again. "E" is the highest series letter for 1950 $20 bills. You're probably looking at the Federal Reserve District letter instead; the series letter (if any) is next to the date. When you've identified the series letter, check the question "What is the value of a 1950 [letter] US 20 dollar bill?" for more information.
Please don't assume that because a bill is old it must be a silver certificate. The last US $20 silver certificates were printed in 1891. As you can see by the banner across the top of the bill and the green seal, your bill is a Federal Reserve Note. There's more information at the question "What is the value of a 1950 US 20 dollar bill?"
The only U.S. $20 bills with dates in that period were the 1934 and 1950 series. Most 1934 bills are worth about $22-24 in average circulated condition. Most 1950 bills are worth face value to $22. The exception is a 1950-E bill which retails for $45 to $60.
Please check your bill again. All 1950-series $20 bills were printed as Federal Reserve Notes with the familiar green seal color. The last red-seal $20 bills were dated 1914.
1950-E is the most valuable $20 bill in the 1950 series. As of 09/2012 values are in the range $50 to $65 for a bill in circulated condition. An uncirculated one can bring $90 or more.
Please check your bill again. "E" is the highest series letter for 1950 $20 bills. You're probably looking at the Federal Reserve District letter instead; the series letter (if any) is next to the date. When you've identified the series letter, check the question "What is the value of a 1950 [letter] US 20 dollar bill?" for more information.
Please don't assume that because a bill is old it must be a silver certificate. The last US $20 silver certificates were printed in 1891. As you can see by the banner across the top of the bill and the green seal, your bill is a Federal Reserve Note. There's more information at the question "What is the value of a 1950 US 20 dollar bill?"
Despite their age, $20 bills from the 1950 series rarely sell for more than a dollar or two above face value.
The only U.S. $20 bills with dates in that period were the 1934 and 1950 series. Most 1934 bills are worth about $22-24 in average circulated condition. Most 1950 bills are worth face value to $22. The exception is a 1950-E bill which retails for $45 to $60.
Please check your bill again. All 1950-series $20 bills were printed as Federal Reserve Notes with the familiar green seal color. The last red-seal $20 bills were dated 1914.
The value is about 39$ if the bill is in good condition
Value of 1934c $20 bill
Right now those are only worth face value. They just aren't rare.
twenty dollars
well see... there are numbers on a bill and in your case it is... $20
Despite its age these bills are not especially valuable. As of 09/2010 a circulated one might retail for $23-$25, while a nice uncirculated one might bring $35 or so. In 1950, several different series of 20 dollar bills were in circulation. A series B 20 dollar bill is worth around 30 to 50 dollars.