U.S.; Airpost, 1930, 65¢ Graf Zeppelin on FDC, #C13. Plate # single tied with card with Washington DC Apr 19, 1930 cancel on Europe Pan America flight cover, with purple flight cachet, Fine. Scott $1,200. Estimate $400.
Harmer-Schau Auction Galleries, Inc. 1333 North McDowell Blvd., Suite B • Petaluma, California 94954
Tel: 707-778-6454 • Fax: 707-763-6772 • Toll Free 800-378-6454
E-mail: info@harmerschau.com