U.S.: World War II Patriotic Covers, 7 December 1941, Opening of Hostilities, one of a few legitimately cancelled covers on Sunday 7 December with cachet by John A. Mayne, Fine to Very Fine. Estimate $300-400.
Harmer-Schau Auction Galleries, Inc. 1333 North McDowell Blvd., Suite B • Petaluma, California 94954
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