Canada, 1859, 12½¢ olive green. Light Toronto square grid cancel, perf. 11¾ from the earliest printings, virtually perfectly centered, fresh and Extremely Fine, this is certainly one of the finest known examples of this tightly margin stamp; with 2001 A.P.S. certificate. Unitrade No. 18i. Scott No. 18 var.  Unitrade C$175 ($178). $0 (Image)