1879, 3¢ War Dept., some small perf flaws, cancelled by negative "H" cork on 3c War (UO20) entire with matching cancel and "Hanover N.H. Feb 6 1889" cds, preprinted Chief Signal Officer return address to Washington D.C.; file fold at left, clean and Very Fine., clean and Very Fine. Scott No. O116  Estimate $200 - 300. Although Official stamps and stationery were discontinued on July 1, 1884; there are several War uses known after this date. This is one of the latest recorded usages. $0 (Image)