Canal Zone, 1904, 8¢ on 50c bister brown, spaced "A L" in "CANAL". Type B-8, bottom stamp in vertical pair, tropicalized o.g., bright and fresh with strong color, Very Fine, an extremely rare variety of this scarce stamp in multiple format, only 5 examples of this variety ever printed; with 2003 P.S.E. certificate. Scott No. 15  $7,600 for singles. $0 (Image)