Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - United States - Zeppelin Flights - February 21-22 - April 21-22, 1925, First and Second Airship (Z.R.3) ''Los Angeles'' Flights to/from Bermuda, 5 covers, including one dated ''Feb. 20'' (1st Flight), then three dated ''Apr. 15'', ''Apr. 16'' and ''Apr.18'' all from Lakehurst to Bermuda and the last one for return flight with Bermuda origin, mostly VF and interesting group, Sieger #20, var, Est. $300-$400