Buckskin, Col., Feb 17, ca. 1866 cds on cover to Philadelphia, Pa., franked with 1861, 3¢ rose (s.e. at left) tied by target handstamp; cover with edge staining at top right, F.-V.F., one of three recorded usages of the Buckskin postmark. Estimate  $400 - 600. $0 (Image)