U.S.; Airpost, 1930, Graf Zeppelin Set on FDC, #C13-C15, attractive strike of APR 19 Washington, DC and duplex cancel to Hollywood, CA, a Very Fine cover, 1996 PSE cert. Scott $10,000. Estimate $7,000-9,000.
Harmer-Schau Auction Galleries, Inc. 1333 North McDowell Blvd., Suite B • Petaluma, California 94954
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