U.S.; General Issues, 1898, Trans-Mississippi, 10¢ Gray Violet, Plate Block of 4, #290, l.h., top pl. #604, Fine, 2019 P.S.E. cert. Scott $2,100. Estimate $350-450.
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
