A $20 bill was not issued in 1924 - that is the "Charter" number of the Southern Michigan National Bank for national currency. The worth will be determined by the actual issue date (likely 1929 if it has Andrew Jackson on the note), and MOST importantly, the condition of the bill.
1 dollar
The national currency of the USA is the dollar
dollar
The Tuvaluan dollar and the Australian dollar are the currency of Tuvalu.
The Australian Dollar.
US Dollar
U.S. Dollar
The Australian dollar
US Dollar
The currency of the United States is the US Dollar
liht green
the U.S dollar