Cost of US Stamp Scott Catalog C18 – 1933 50c Air Zeppelin Century of Progress Flight. Page 14

US Stamp Values Scott Cat. C18: 50c 1933 Air Graf Zeppelin. Harmer-Schau Auction Galleries, Oct 2008, Sale 79, Lot 280

U.S., Airmail, 1933, 50¢ “Chicago” Zeppelin, #C18. N.h., Very Fine. Scott $100. Estimate price $50.

Harmer-Schau Auction Galleries, Oct 2008, Sale 79, Lot 280

US$52.00
Cost of US Stamps Scott Catalogue C18: 1933 50c Air Graf Zeppelin. Robert Siegel Auction Galleries, Sep 2008, Sale 962, Lot 2974

50c Chicago Zeppelin (Scott C18). Mint N.H. wide top plate no. 21178 block of six, Extremely Fine, with 2008 P.S.E. certificate

Robert Siegel Auction Galleries, Sep 2008, Sale 962, Lot 2974

US$625.00
US Stamp Prices Scott Catalog # C18: 1933 50c Air Graf Zeppelin. Robert Siegel Auction Galleries, Sep 2008, Sale 962, Lot 2972

50c Chicago Zeppelin (Scott C18). Mint N.H., beautiful oversize margins with precise centering, bright color, Extremely Fine Gem, with 1988 P.F. and 2008 P.S.E. certificates (Superb 98, SMQ price $420.00)

Robert Siegel Auction Galleries, Sep 2008, Sale 962, Lot 2972

US$600.00
Values of US Stamp Scott Catalog # C18: 1933 50c Air Graf Zeppelin. Cherrystone Auctions, Sep 2008, Sale 200809, Lot 66

UNITED STATES Air Post 1933 50c Century of Progress, three blocks of four (two with plate numbers), well centered, n.h., mostly v.f. (Catalogue value for n.h. singles)

Cherrystone Auctions, Sep 2008, Sale 200809, Lot 66

US$500.00
US Stamps Values Scott Cat. C18: 50c 1933 Air Graf Zeppelin. Harmer-Schau Auction Galleries, Jun 2008, Sale 78, Lot 1726

U.S.; Airmail Issues, Airmail, 1933, 50¢ “Chicago” Zeppelin, Scott #C18. N.h., Grade 95 Extremely Fine to Superb, PSE (2007) cert. SMQ $200. Estimate value $150-180.

Harmer-Schau Auction Galleries, Jun 2008, Sale 78, Lot 1726

US$115.00
Prices of US Stamp Scott # C18: 1933 50c Air Graf Zeppelin. Harmer-Schau Auction Galleries, Jun 2008, Sale 78, Lot 1727

U.S.; Airmail Issues, Airmail, 1933, 50¢ “Chicago” Zeppelin, Block of 4, #C18. N.h. with plate number, #21171, usual gum bends, Fine to Very Fine. Scott $400+. Estimate $100-120.

Harmer-Schau Auction Galleries, Jun 2008, Sale 78, Lot 1727

US$173.00
US Stamp Price Scott C18 - 1933 50c Air Graf Zeppelin. Matthew Bennett International, Jun 2008, Sale 328, Lot 1136

Airmail, 1933, 50¢ “Chicago” Zeppelin (C18), top plate no. 21177 block of 6. Exceptionally well centered. O.g., never hinged. Very minor gum skips top stamps. Very Fine to Extremely Fine. Scott value $500

Matthew Bennett International, Jun 2008, Sale 328, Lot 1136

US$325.00
US Stamp Prices Scott Catalog # C18 - 1933 50c Air Graf Zeppelin. Matthew Bennett International, Jun 2008, Sale 328, Lot 1135

Airmail, 1933, 50¢ “Chicago” Zeppelin (C18), block of 4. Fresh and well centered. Original gum, never hinged. Very Fine to Extremely Fine. Scott value $400

Matthew Bennett International, Jun 2008, Sale 328, Lot 1135

US$180.00
US Stamp Prices Scott Catalogue #C18 - 50c 1933 Air Graf Zeppelin. Matthew Bennett International, Jun 2008, Sale 328, Lot 1134

Airmail, 1933, 50¢ “Chicago” Zeppelin (C18), fresh and beautifully centered. O.g., never hinged. Extremely Fine. Scott price $100

Matthew Bennett International, Jun 2008, Sale 328, Lot 1134

US$70.00
US Stamps Value Scott C18: 1933 50c Air Graf Zeppelin. Matthew Bennett International, Jun 2008, Sale 328, Lot 1133

Airmail, 1933, 50¢ “Chicago” Zeppelin (C18), exceptionally well centered with unusually large margins. Immaculate original gum, never hinged. Extremely Fine. SMQ $130 for XF 90, $200 for XF-Sup 95. Scott $100 Expertization: 2005 P.S.E. Certificate graded XF 90J.

Matthew Bennett International, Jun 2008, Sale 328, Lot 1133

US$80.00
US Stamps Prices Scott Cat. C18: 50c 1933 Air Graf Zeppelin. Matthew Bennett International, Apr 2008, Sale 326, Lot 588

Airmail, 1933, 50¢ “Chicago” Zeppelin (C18), full top margin plate no. 21171 block of six, extra wide selvage, excellent centering and freshness, original gum, never hinged, Very Fine-Extremely Fine. Scott price $750

Matthew Bennett International, Apr 2008, Sale 326, Lot 588

US$500.00
US Stamps Values Scott C18: 1933 50c Air Graf Zeppelin. Matthew Bennett International, Apr 2008, Sale 326, Lot 587

Airmail, 1933, 50¢ “Chicago” Zeppelin (C18), perfectly centered, original gum, never hinged, an Extremely Fine gem. Scott price $100 Expertization: 1989 P.F. Certificate.

Matthew Bennett International, Apr 2008, Sale 326, Lot 587

US$300.00
Cost of US Stamp Scott Catalogue C18: 50c 1933 Air Graf Zeppelin. Matthew Bennett International, Apr 2008, Sale 326, Lot 589

Airmail, 1933, 50¢ “Chicago” Zeppelin (C18), full bottom margin plate no. 21172, fresh, original gum, never hinged, Very Fine. Scott price $750

Matthew Bennett International, Apr 2008, Sale 326, Lot 589

US$375.00
US Stamps Prices Scott # C18: 50c 1933 Air Graf Zeppelin. Harmer-Schau Auction Galleries, Apr 2008, Sale 77, Lot 137

U.S., Airmail, 1933, 50¢ on Chicago flight cover, #C18. Pair tied by New York Oct 4, 1933 cancel, flight cachets in violet and red, with contents, Miami receiving cancel on reverse, Fine to Very Fine. Scott $135+. Estimate $70.

Harmer-Schau Auction Galleries, Apr 2008, Sale 77, Lot 137

US$86.00
Costs of US Stamps Scott Catalog # C18: 1933 50c Air Graf Zeppelin. Harmer-Schau Auction Galleries, Apr 2008, Sale 77, Lot 136

o U.S., Airmail, 1933, 50¢ “Chicago” Zeppelin, block of 4, #C18. Used, Fine to Very Fine. Scott $290. Estimate $60.

Harmer-Schau Auction Galleries, Apr 2008, Sale 77, Lot 136

US$115.00