San Luis, Colorado., Jan 13, 1882 (Costilla), purple cds (B2) with matching fancy pearl button killer tying 10¢ Banknote on 3¢ green registered entire to Oswego, N.Y., postmaster handstamp at left, Very Fine and attractive, one of three examples recorded of this postmark. Estimate  $200 - 300. $0 (Image)