This now-unusual form of paper money was printed in two forms:
If your bill is a Federal Reserve Note please see the question "What is the value of a 1929 US 50 dollar Federal Reserve Note?"
If your bill is a National Bank Note it may be best to have it evaluated in person by a currency expert, because there were many hundreds of different possible issuing banks. While this site attempts to provide the best answers possible, the sheer number of distinct National Bank Notes makes a sight-unseen online evaluation extremely difficult.
It is ≈ $ 200
There were no series letters on 1929 bills, all of which were issued as National Currency bills. Please see the question "What is the value of a 1929 US 5 dollar bill?" for more information.
The Kansas City designation would indicate your bill is most likely a Federal Reserve Note that was printed as part of the National Currency series. Please see the question "What is the value of a 1929 US 20 dollar Federal Reserve Note?" for more information.
Auction prices range from $30 for a worn bill to about $200 for one with almost no wear.
No US $20 gold certificates were dated 1929. All 1929 bills were issued as National Currency Notes and had brown seals. Please see the Related Question for more information.
how much is a 1929 national currency sanfrancisco worth
It is ≈ $ 200
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There were no series letters on 1929 bills, all of which were issued as National Currency bills. Please see the question "What is the value of a 1929 US 5 dollar bill?" for more information.
i saw one on sold on ebay for 1200.00
The Kansas City designation would indicate your bill is most likely a Federal Reserve Note that was printed as part of the National Currency series. Please see the question "What is the value of a 1929 US 20 dollar Federal Reserve Note?" for more information.
Auction prices range from $30 for a worn bill to about $200 for one with almost no wear.
What's the condition? It's probably worth about $200
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 condition and serial number are important. But most likely around $25.
Value of a 1929 brown seal, twenty dollar bill with the first national bank of st louis and #H00279107A
If your bill has been circulated, current retail is in the $15 to $35 range depending on how worn it is.