U.S.; Airpost, 1923, 16¢ Dark Blue on FDC, #C5, Tied to envelope by Aug 17, 1923 Washington, D.C. slogan cancel, to Allentown, PA, fine to very fine. Scott $600. Estimate $200-250.
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
