C14 $1.30 brown Graf Zeppelin on Friedrichshafen to Lakehurst flown card, tied by 1st Day Apr 19, 1930 Washington DC cancel, w/violet flight map cachet, proper flight cachets/cancels; stamp F-VF, light CCr on card (Image)

Cat. $900 SE

C15 $2.60 blue Graf Zeppelin on Friedrichshafen to Lakehurst flown Roessler FDC, tied by Apr 19, 1930 Washington DC machine cancel, violet flight map cachet w/proper backstamped flight cancels, stamp F-VF, slight edge wear at bottom of cover (Image)

Cat. $1,000 SE

C15 $2,60 Graf Zeppelin April 24 1930 Friedrichshafen & Lakehurst Europe-Pan American R/T Flight cvr, properly cancelled & cacheted, F-VF (Image)

Cat. $575 SE

(12) Diff Century of Progress covers, each a different leg of the journey from Friedrichshafen to Brazil to US, incl a round-trip w/ Blk of C18; (5) w/ cachets incl Linprint, Ioor and Grimsland; couple w/ foxing, gen F-VF (Image)

Est. $500-600 LE