(3) incl C4 8/15/23, C5 8/17/23 & C6 8/21/23 Wash DC Worden serviced, couple very minor wrinkle marks gen VF & fresh (see add. web photo) (Image)

APX CV $1,550 HWC-SE

C10a Complete pane of (3) May 26, 1928 Cleveland Mid Western w/ #645 Blk, E Klein serviced, gen F-VF+ (Image)

Cat. $1,000 SE

(3) incl C13, C14 & C15 all Apr 19, 1930 Wash DC, all open at bottom gen VF (see add. web photo) (Image)

APX CV $3,200 HWC-SE

C14 F-VF Apr 19, 1930 Wash DC card via Friedrichshafen to Lakehurst first round flight, VF & fresh! (Image)

Cat. $1,000 HWC-SE

C18 New York Oct 2, 1933 Ed Hacker Plantys P3 VF+, bright & fresh (Image)

Cat. $250 SE

C18 (4) Oct 2, New York Linprint, Rice (2) varieties & Aerophilatelic Club, few minor marks gen F-VF+ (Image)

Cat. $1,000 SE