Airmail, 1930, 65¢ (pair) + $1.30 Graf Zeppelins. Tied by New York Varick St. Sta. cancels on a flown Europe-Pan-America Flight Zeppelin cover to St. Louis, with all proper postmarks and cachets, Very Fine. Scott No. C13, C14  Estimate $1,500 - 2,000. $0 (Image)