Forty Canal Zone postcards from 1907-12 appearing to be from either military or contract civilian living on military camps. Mailed to Plainwell, Michigan. Several cards have toning from storage or age. Neat lot. (Image)

Canal Zone (1) 2¢ rose. It was the upper left stamp of a block of four. Includes a 2003 PSE certificate (95159) states, “it is genuine unused, tropical og. Block of four with fragile horizontal perfs. Rich color, centered F-VF. (Image)

Canal Zone (2) 5¢ blue. 2000 PSE certificate (46081) states, “it is genuine unused tropical og.” Fresh, centered Fine. (Image)

Canal Zone (3) 10¢ yellow. 2001 PSE certificate (51003) states, “it is genuine unused tropical og.” Bright, centered Fine. (Image)

Canal Zone (15) 8¢ on 50¢ bister brown. OG undisturbed, it was the lower left stamp of a block of four. Includes an original 2004 PSE certificate (127621) states, “it is genuine.” Fresh centered F-VF. (Image)

Canal Zone (J3) 1914 10¢ Rose carmine postage due. OG, 2003 PSE certificate (95165) states, “it is unused, slightly topical og.” Deep rich color, Center Fine. (Image)

Canal Zone (O8) 50¢ Rose lilac type 1a Used, OG, 2003 PSE certificate (106745) states, “it is used, cancelled to order, with hinged og.” However, the certificate fails to mention a hinge remnant, and an exerciser’s signature on the reverse. Centered Fine. (Image)