Guam Guard Mail, 1930, 1¢ Red & Black, Block of 25, #M3, Ungummed, some soiling at bottom, fine to very fine. Cat. $3225+ (as singles and blocks) Only 1000 issued. Possibly the largest block known! Estimate $1,600-1,800.
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
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