Salida, Colo., Mar 7, 1900 (Chaffee), duplex postmark canceling on locally addressed 1899 1¢ green entire, forwarded to Glenwood Springs with 2¢ red tied by quartered cork handstamps returned back to Salida with return postmark on reverse, Official Seal at right and purple "Unclaimed, Return to Sender" pointing hand handstamp; cover soiling and reduced at left, Fine and unusual. Scott No. U352+279B  Estimate $200 - 300. $0 (Image)