Airmail, 1930, 65¢ Graf Zeppelin, bottom margin single with plate number 20077, o.g., never hinged, well centered, Superb, an outstanding gem without any of the usual gum bends or skips; with 2016 P.S.A.G. Graded certificate (98, SSV $1,800). Scott No. C13  $275. $0 (Image)