1900 Reichspost 5m type I, completely unretouched, used, fine and scarce stamp, cat. $2100 (Cat No. 65) (Image)

Cat. $2100, Est.$500

1902 1m carmine rose, 2m gray blue, 3m black violet, three different, n.h., v.f., cat. $3010 (Cat No. 75-77) (Image)

Cat. $3010, Est.$1,000

1922-23 50m greenish blue, ten copies, used with additional franking on four registered covers, used in 1924-25 from Volkach to Springfield, Mass., most franked on both sides, with variety of inflation issues, with transit and arrival markings, scarce group (catalogued as 10 used stamps, $1,250++) (Cat No. 228) (Image)

Est.$250

1912 Gotha, 10pf violet blue, h.r., fine, cat. €500 (Cat No. Mi.5) (Image)

Cat. €500, Est.$150

1933 Chicago Flight, set of three used, fine-v.f., 1M with APS certificate (Mi. Euro 1,000) cat. $800 (Cat No. C43-45) (Image)

Cat. $800, Est.$150

1936 Olympics, two different se-tenant tete-beche booklet sheets of 100, folded between stamps, with separations and reinforcements, some faults, most of the combinations n.h., fine-v.f. (catalogued as hinged sheets) cat. €1300 (Cat No. Mi.MHB 57-58) (Image)

Cat. €1300, Est.$250

1945 privately prepared mperforate souvenir sheet of four, n.h., v.f. (Image)

Est.$100

1930 South America Flight, 2m and 4m used on separate covers, one canceled on board and sent to Czechoslovakia, the other to Rio de Janeiro, fine-v.f., cat. $850 (Cat No. C38-39) (Image)

Cat. $850, Est.$500

1930 Polar Flight set of three, used on card and two covers to the Icebreaker Malyguin, couple of minor toned specks away from the stamps, fine-v.f., with arrival markings and appropriate cachets, cat. $1425 (Cat No. C40-42) (Image)

Cat. $1425, Est.$300

1935-40 four legal size covers, three from Brazil to Airship Graf Zeppelin in Friedrichshafen, corner cachet "Sindicato Condor Ltda," the other from "Deutsche Zeppelin-Reederei G.m.b.H.", window envelope franked with 12pf, with Frankfurt pmk, some cover wear, otherwise fine (Image)

Est.$250