Colombia, Airpost; 1920, 10c Red, Block of 4, #C11 var., n.h., large margins all around, fresh, Very Fine, Signed Kessler, APS (1996) copy cert. for block of 16. Sanabria #16-16A $240+. Estimate $100-150.
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