1¢ green, A.W. Dunning Private Perforations, perforated with large holes horizontally and vertically perhaps by a sewing machine, tied by "Coolidge Corner Mass. Feb 20 1919" duplex on cover to Quincy Mass., A.W. Dunning corner card, Very Fine. Estimate  $300 - 400. Stamp dealer A.W. Dunning applied various perforations to imperforate stamps and used them on his company mail. They were not applied by machine. $0 (Image)

1¢ green, A.W. Dunning Private Perforations, perforated vertically perhaps by a sewing machine, imperf between, tied by "Wilmington N.C. Sep 19 1931" machine cancel on A.W. Dunning corner card cover to Riverside, Cal., Very Fine. Estimate  $150 - 200. $0 (Image)