Airmail, 1933, 50¢ "Chicago" Zeppelin. Three first day covers, two with "New York Oct 2, 1933" postmarks, one with "Miami Oct 6, 1933" postmark, all with Zepp cachets, two flown, Very Fine. Scott No. C18; $550  Estimate $200 - 250. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. Eight flight covers; including one block of four, one with four copies, and one franked with #728-729, 3 with different cachets, Very Fine and attractive. Scott No. C18  Estimate $400 - 500. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. Five plate no. singles and margin single, o.g., never hinged, several with natural gum skips or bends, Very Fine. Scott No. C18  $600. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. Nine plate no. singles, o.g., never hinged, mostly with usual natural gum skips and bends, F.-V.F. lot (no photo). Scott No. C18  $900. $0

Airmail, 1933, 50¢ "Chicago" Zeppelin. Eight singles, one block of 4 with two n.h., usual light skips, bends or wrinkles, block and 2 singles with plate no.'s, F.-V.F. lot (no photo). Scott No. C18  $530. $0

Airmail, 1933, 50¢ "Chicago" Zeppelin. O.g., never hinged (minor gum skips), choice centering and margins, bold color, Extremely Fine to Superb, with 2007 P.S.E. Graded certificate (XF-Sup 95, SMQ $200). Scott No. C18  $100. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. 2 blocks of 4 with plate numbers and 2 singles, beautifully centered, both blocks with horizontal gum skip across, singles with very minor skip spots, o.g., never hinged, Very Fine to Extremely Fine. Scott No. C18  $1,000. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. Two blocks of four, one corner margin & other with plate no., o.g., never hinged, usual minor skips and bends, otherwise Very Fine. Scott No. C18  $800. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. Block of 4, o.g., never hinged (natural gum wrinkle affecting top left stamp), well centered, Very Fine. Scott No. C18  $400. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. Bottom margin plate block of 6, o.g., never hinged (usual natural gum bends and skips), bright and fresh, natural translucent spot in top right corner, otherwise Very Fine. Scott No. C18  $750. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. Eleven singles, 4 with plate no.'s, various cancels, couple with minor flaws, F.-V.F. lot. Scott No. C18  $605. $0 (Image)

Airmail, 1933, 50¢ "Chicago" Zeppelin. Four singles, various cancels, Very Fine lot. Scott No. C18  $220. $0 (Image)