1924 Carrier Pigeon, complete set of seven, n.h., post office fresh, fine-v.f., cat. $1150 (Cat No. C20-26) (Image)

Cat. $1150, Est.US$200

1924 Carrier Pigeon, complete set of seven, n.h., post office fresh, fine-v.f., cat. $1150 (Cat No. C20-26) (Image)

Cat. $1150, Est.US$200

1924 100pf dull violet, 300pf gray, blocks of four, the latter two vertical pairs, n.h., v.f., cat. $3100 (Cat No. C24,26) (Image)

Cat. $3100, Est.US$500

1926-27 German Eagle, complete set n.h., v.f., cat. $900 (Cat No. C27-34) (Image)

Cat. $900, Est.US$200

1926-27 Eagle, complete set of eight top sheet margin singles, stamps n.h., v.f. (Mi.378-84,A379, Euro 1,200) cat. $900 (Cat No. C27-34) (Image)

Cat. $900, Est.US$250

1926-27 German Eagle, complete set of eight, sheet margin singles, n.h., post office fresh, v.f. (Mi. Euro 1,200) cat. $900 (Cat No. C27-34) (Image)

Cat. $900, Est.US$200

1926-27 Eagle, complete set of eight, mostly sheet margin blocks of four, stamps n.h., v.f. (Mi.378-84,A379, Euro 4,800) cat. $3600 (Cat No. C27-34) (Image)

Cat. $3600, Est.US$1,000

1926-27 Eagle, complete set of eight top sheet margin blocks of four, n.h., v.f., with 2001 Hans-Dieter Schlegel certificate (two 15pf slightly wrinkled) (Mi.378-84,A379, Euro 4,800) cat. $3600 (Cat No. C27-34) (Image)

Cat. $3600, Est.US$1,000

1926-27 German Eagle, unexploded 2M booklet, with two different booklet panes, plus Air Mail labels, fresh, v.f. (Cat No. C28d,30b) (Image)

Est.US$250

1928-31 Zeppelin, set of three, n.h., fine-v.f., cat. $425 (Cat No. C35-37) (Image)

Cat. $425, Est.US$150

1928-31 Zeppelin, 1m-4m, two sets of three, plus additional 2m ultramarine, n.h., fine-v.f., cat. $1075 (Cat No. C35-37) (Image)

Cat. $1075, Est.US$200

1928-31 Zeppelin, 1m-4m set of three blocks of four, n.h., v.f., cat. $1700 (Cat No. C35-37) (Image)

Cat. $1700, Est.US$400

1930 South America Flight, 2m ultramarine (horizontal watermark), 4m black brown (vertical watermark), set of two, n.h., v.f., signed Schlegel (Mi.438Y,439X, Euro 3,500) cat. $2650 (Cat No. C38-39) (Image)

Cat. $2650, Est.US$750

1930 South America Flight, 2m ultramarine (vertical watermark) and 4m black brown (horizontal watermark), blocks of four, n.h., post office fresh, v.f. (Mi.438X,439Y, Euro 17,600) cat. $10400 (Cat No. C38-39) (Image)

Cat. $10400, Est.US$3,000

1930 South American Flight, 2m ultramarine, 4m brown (pair), used on flown Friedrichshafen to Lakehurst cover, v.f., with arrival pmk (catalogued as used singles) cat. $900 (Cat No. C38-39) (Image)

Cat. $900, Est.US$200

1930 South American Flight, 2m ultramarine, 4m brown, used on flown Friedrichshafen to Lakehurst picture postcard, v.f., with arrival pmk (catalogued as used singles) cat. $600 (Cat No. C38-39) (Image)

Cat. $600, Est.US$150

1930 South American Flight, 2m ultramarine, 4m brown, used on flown Friedrichshafen to Rio de Janeiro Dornier DOX cover, v.f., with arrival pmk (catalogued as used singles) cat. $600 (Cat No. C38-39) (Image)

Cat. $600, Est.US$150

1931 Polar Flight, set of three, n.h. and post office fresh, perfectly centered, v.f. (Mi. Euro 4,300) cat. $3250 (Cat No. C40-42) (Image)

Cat. $3250, Est.US$1,000

1931 Polar Flight, 1m carmine, 2m ultramarine and 4m black brown, set of three in blocks of four, first two each with sheet margin, n.h. and post office fresh, absolutely pristine and superior set of blocks (Mi.456-58, Euro 17,200) cat. $13000 (Cat No. C40-42) (Image)

Cat. $13000, Est.US$3,000

1933 Chicago Flight, 1m-4m set of three, n.h., post office fresh, v.f., cat. $3250 (Cat No. C43-45) (Image)

Cat. $3250, Est.US$1,000

1933 Chicago Flight, 1m carmine, 2m ultramarine and 4m black brown, set of three sheet margin singles, stamps n.h., v.f., each with a tiny handstamped guarantee mark (Mi.496-98, Euro 4,200) cat. $3250 (Cat No. C43-45) (Image)

Cat. $3250, Est.US$750

1933 Chicago Flight, 1m carmine, 2m ultramarine and 4m black brown, set of three, n.h., post office fresh, v.f. (Mi.496-98, Euro 4,200) cat. $3250 (Cat No. C43-45) (Image)

Cat. $3250, Est.US$750

1933 Chicago Flight, 1m carmine, 2m ultramarine and 4m black brown, set of three sheet corner margin blocks of four, n.h. and post office fresh, absolutely pristine and superior set of blocks (Mi.496-98, Euro 17,200) cat. $13000 (Cat No. C43-45) (Image)

Cat. $13000, Est.US$3,000

1933 Chicago Flight, 1m-4m set of three, used, neat pmks, v.f., cat. $755 (Cat No. C43-45) (Image)

Cat. $755, Est.US$200

1933 Chicago Flight, 1m-4m set of three, used on cover from Friedrichshafen to Chicago, appropriate cachet, transit and arrival markings, v.f. (Cat No. C43-45) (Image)

Est.US$500