U.S. Interrupted Flight: May 5, 1931 Rock Springs, Wyoming, With 4 line cachet in purple, with contents, fine-very fine. Cat. AAMC (1998) $150. AAMC #21.4. Estimate $70-80.
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