No US $20 bill carries a "G" series letter. You may be looking at the Federal Reserve District letter. The series letter, if any, on US bills is next to the date.
Regardless, a date is needed in order to estimate a value. Please determine the bill's date and see the question "What is the value of a [date] US 20 dollar bill?" for more information.
A 1990-series $20 bill is too new to have any added value. Some of them are still in circulation.
A date is needed. Please see the question "What is the value of a (date) US 20 dollar bill?" for more information.
It's worth exactly 20 dollars.
You didn't provide a specific date but 1969 is the only series in the last 50 years to have a "B" letter. Please see the question "What is the value of a 1969 B US 20 dollar bill?" for more information.
What is the difference in a 2004 twenty dollar bill and a 2004A twenty dollar bill?
A 1990-series $20 bill is too new to have any added value. Some of them are still in circulation.
A date is needed. Please see the question "What is the value of a (date) US 20 dollar bill?" for more information.
$20 Dollars.
There are many varieties of US $20 bills that have brown seals, but only two types were printed in the 20th century - the 1929 series of National Currency Notes and the 1934 series of wartime currency printed for use in Hawaii.Please see the questionsWhat is the value of a 1934 US 20 dollar bill with HAWAII on it?What is the value of a 1929 US 20 dollar bill?
The highest series letter for 1934 $20 bills was D. You may be looking at the Federal Reserve District letter rather than the series letter - the series letter is by the date. Please see the question "What is the value of a 1934 US 20 dollar bill?"
Face value to $25 if circulated; around $50 if crisp and uncirculated.
D was the highest series letter for a 1934 $20 bill. You're probably looking at the Federal Reserve District letter, not the series letter which is next to the date. Please see the question "What is the value of a 1934 US 20 dollar bill?" for more information.
The bill could be counterfeit, or if real, several hundred dollars.
It's worth exactly 20 dollars.
Please post a new, separate question with the bill's date and seal color.
There was only one series of 1974 $20 bills so none of them would have a series letter. You may be looking at the Federal Reserve District letter instead. Please see the question "What is the value of a 1974 US 20 dollar bill?" for more information.
You didn't provide a specific date but 1969 is the only series in the last 50 years to have a "B" letter. Please see the question "What is the value of a 1969 B US 20 dollar bill?" for more information.