Lot
603 
Panama, 1936 (May 6) Vienna, Austria Zeppelin Flight Cover to Panama, registered flight card bearing Austria 5g red orange, 25g dark purple, 80g green strip of three, tied by fancy Wien flight cachet handstamps, bold "Wien, Flugpost" (5.6) transit cds, Germany Airmail North America flight cachet, reverse with New York (5.9) transit and Panama (6.27) framed handstamp, Very Fine and unique destination. Estimate $750 - 1,000.