United States: Postal History 1929, Graf Zeppelin "Round the World" Flight, five covers, with...

United States: Postal History
1929, Graf Zeppelin "Round the World" Flight,
five covers, with three carried from Los Angeles to Lakehurst, and two from Lakehurst to Lakehurst, each with violet "First Round the World Flight" confirmation cachet and green Lakehurst (Aug 29) arrival backstamps, one assessed postage due, interesting mix of frankings, a few small faults, mostly fine.
Cover