Airmail, 1930, 65¢ + $1.30 Zeppelins. Pair of 65¢ + $1.30 tied on flight cover by New York Apr 30 1930 duplex cancel, red German & purple U.S. flight cachets, green Lakehurst receiver on reverse, Very Fine and attractive. Scott No. C13 + C14; $650 as used  Estimate $300 - 400. $0 (Image)