In circulated condition, it has no added value. Even a Choice Crisp Uncirculated one is only worth about $25 -- if you can find a buyer.
As of 02/2011, average-condition 1950 US $20 bills with no series letter, or an A, B, C, or D next to the date are worth about $24. Nice uncirculated ones could sell for $35 or so.
In God We Trust
That motto wasn't added to US bills until the late 1950s and early 1960s, so it's perfectly normal for it to be missing from 1950-series bills.
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.
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.
Despite their age, $20 bills from the 1950 series rarely sell for more than a dollar or two above face value.
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 $20 silver certificates were printed in 1891. As you can see by the banner across the top of the bill and the green seal, your bill is a Federal Reserve Note. There's more information at the question "What is the value of a 1950 US 20 dollar bill?"
20 dollar bill the back side is not centered
The value is about 39$ if the bill is in good condition
The 1969 Canadian $20 bill has a value of C$20. The $20 bill does not have any significance that would raise its value.
Value of 1934c $20 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.
It is $20 Canadian dollars.
well see... there are numbers on a bill and in your case it is... $20
Yes, the 20 dollar bill is worth 20 dollars. Imagine that.
There is no such thing as a German 20 dollar bill. Germany does not issue currency in dollars. They use the Euro.
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 $35 or so. In 1950, several different series of 20 dollar bills were in circulation. A series B 20 dollar bill is worth around 30 to 50 dollars.
Right now those are only worth face value. They just aren't rare.
A 2001 20 dollar bill that has been printed wrong would be worth 40-50$
A date is needed. Please see the question "What is the value of a (date) US 20 dollar bill?" for more information.
All 1950-series US $20 bills were issued as Federal Reserve Notes, so they all have green seals. Please see the Related Question for more information.