C15 1930 Round trip Pan-American flight cvr w/ $2.60 Zeppelin tied by Varick St. Sta. NY machine cancel, proper red & violet map cachets, corner card from Baltimore's The Evening Sun (newspaper); minor handling, F-VF (Sieger 64C) (Image)

EURO900 SE

(12) diff Century of Progress flight cvrs franked w/ Baby Zepps, all w/ proper markings, (4) w/ cachets, (2) are NYC FDCs, some w/ multiple stamps incl a round-trip cover; several have light flap marks, gen F-VF (Image)

Est. $400-500 LE