GERMANY (9) Zeppelin flight covers:1924 ZR3 flight to America RPC of airship a few days before flight & envelope to NYC; 1929 America Flight card & cover to Scott Stamp & Coin, both w/ red delayed handstamp; 1929 card on Breslau flight; 1931 card w/ 1m Eagle, 3rd South America flight; 1936 Olympic flight cachet on PPC w/ (2) Olympic semi-postals; 1936 North America flight franked w/ full set (8) Olympic semi-postals; 1936 1st North America flight (May) to Philadelphia; gen F-VF, approx Sieger value in euro (Image)