unused Foreign Air Post, 1917-31, accumulation of many hundreds of nearly all unused stamps in a stockbook, wide range of countries and issues, incl. Argentina Zeppelins, China First and Second issues, Danzig Luposta, Denmark C1-C5, Finland C1, Germany South-America and Polar Flights, Iceland Millenary, Italy C27, Mexico C1, C1a, Newfoundland C2, C3, C3a, Russia Zeppelins, Spain incl. imperforates, Switzerland C1, C2, also a number of semi-official air post, a few with small faults, but most are fine-very fine, Scott retail in excess of $10,000.00