Auction Series 257-264 in Zurich Day 2

1924/77: US-Airmail two frame Exhibit collection, 78 covers showing officel postal flights, Contract Air Mail CAM up to Concorde FF JFK-London (1977), starting with 1918 (May 15) first day usage of 24 c. carmine rose & blue 'Jenny' cancelled  "AIR MAIL SERVICE - WASH. N.Y. / MAY 15 - 1918 - FIRST TRIP" in black, further 1924 (July 1) letter franked with compl. 1923 airpost set from Puerto Rico via NY to Vienna, Lindbergh airmail FDC (June 18, 1927), 1934 First Non Stop flight San Francisco - Hawaii, Catapultflights Steamer 'Bremen 2.8.1929" to Denmark and Steamer 'Europa' 28.8.32" to Switzerland, 1929 Zeppelin 'Round the World flight' and 1933 'Chicago flight' Friedrichshafen to Miami as well as various Inaugural or Experimental flights as 1931 first Pacific Coast Experimental flight shore to ship by SS City of Los Angels. A fine collection for further expansion.
Catalogue 257: EUROPE & OVERSEAS