U.S.; Airpost, 1989, 45¢ U.P.U. Congress, Light Blue (Engraved) Omitted, #C125b, n.h. marginal se-tenant block of 4, Very Fine. Scott $725. , only 60-80 blocks known . 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
