Ft. Lyon, Jan 21, purple cds with matching target handstamp tying 3¢ Banknote on cover to La Crosse, Wis.; cover a bit reduced at right and stamp with top right corner nick, otherwise Very Fine, the only recorded example this Fort Lyon postmark, illustrated in Jarrett's Colorado book. Estimate  $300 - 400. An unusual postmark as there is no territorial designation included in this marking. $0 (Image)