Auction #700 - Collections, Stocks and Accumulations of the World

U.S., Airmail, Collection of Covers, 1926-34. 41 covers, mostly First Flights, but including two Zeppelins and three Catapults; numbers break down as follows: C7 (5 including two FDCs), C8 (3), C9 (2 including an FDC), C10 (15 including 9 FDCs with three cacheted: Gorham, one first Mauch and a nice unidentified add-on), C11 (6, one a cacheted FDC), C12 (7 including 4 FDCs, one with a Roessler cachet) and C17 (4, two being FDCs).
Estimate $600 - 800.