Demonetization usages. Three covers; #U10 used on February 26, 1862, and #26 (2 each with crease), both uncancelled, one noting "Due 3 cts., old stamp" in pen and the other noting "Old Stamp Due 3Ā¢" in pencil, very fine lot, F.-V.F. EstimateĀ $300 - 400. $0 (Image)