Regardless of denomination, all current US paper bills are the same size (156 mm x 66.3 mm)
A date is needed. Please see the question "What is the value of a (date) US 20 dollar bill?" for more information.
Please don't assume that every old bill must be a silver certificate. The last US $20 silver certificates were printed in 1891. As the green seal and banner across the top of the bill indicate, a 1934 $20 bill is a Federal Reserve Note. There's more information at the question "What is the value of a 1934 US 20 dollar bill?" .
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.
Unless it is uncirculated, any $20 bill printed since the 1970s is worth only face value.
A 1990-series $20 bill is too new to have any added value. Some of them are still in circulation.
Andrew Jackson is on the 20 dollar bill
The White House is on the twenty dollar bill. ($20)
The 1914 $20 dollar bill with Grover Cleveland on the front.
200
in the U.S. how much is a twenty dollar hong kong bill worth?
About the size of a US dollar bill about an inch thick
$20
The size of the 1820 United States dollar bill was approximately seven inches by 3 inches. The dollar bill is smaller in 2014.
It's still worth exactly $20.
Please look at your bill more closely; the date should be 1934. There's more information at the question "What is the value of a 1934 US 20 dollar bill with HAWAII on it?"
Please check your bill again and post a new, separate question. There are no 1972 US $20 bills.
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?