Photoshop designed Proof $10 & $20 National Charter Currency 1920 Proof page scanned from original 13" X 19" Nice For Framing or add to your collection. The National Bank of Cooperstown North Dakota Charter #5375 Certified Proofs Courtesy The National Museum of American History NO DOWNLOADING WILL BE REMOVED FROM PHOTO WHEN PRINTED AND MAILED. Wondering if I have  proof notes of your hometown bank  If the bank was in business during the period 1863 through 1929 there's a good chance I have something just ask!!!