1930 two cards with air post franking, one flown in 1934, franked with 10a (2) and 50a; the other with Roessler "Zeppelin Mail" cachet, addressed to USA, with 10a (3) and 50a, fine-v.f. (Cat No. C1-2) (Image)

Est.$200

1931 Zeppelin overprints, blocks of four, 1k showing "fish-hook" variety ("1" of 1 Krona), n.h., fine-v.f., cat. $1340 (Cat No. C9-11) (Image)

Cat. $1340, Est.$500

1933 Hopflug-Itala overprints, set of three blocks of four, n.h., 5kr dried gum, usual centering, fine-v.f., signed Diena, etc., cat. $20900 (Cat No. C12-14) (Image)

Cat. $20900, Est.$7,500