1932, Graf Zeppelin, 4p ultra, four different perforation varieties, imperforated block of four, imperf tete-beche pair perforated between stamps, strip of three and block of four partially imperf, all with full original uneven gum, NH, VF, Sanabria $51a, b, c, Est. $150-$200 (Image)

1932, 5th, 6th, 8th and 9th SA Return Flight covers with Zeppelin stamps franking, various special cancellations and Flight markings, each one with Friedrichshafen arrival ds on reverse, fresh and VF, Sieger #176, 182, 194 and 200, C.v.€500, Est. $300-$400 (Image)

1934 (September 22-25), 8th SA Return Flight registered cover to Netherlands, franked by five stamps (three - on reverse), including two Zeppelin values with ''1934'' overprint, two different flight markings and ''25.9.34'' arrival ds, VF, Sieger #276, Est. $100-$150 (Image)