Panama, Colombia 1889, Registration, 10c red on grayish, blue "5381" handstamp, used with Panama 1887-88 20c black on lilac, with bottom selvage, tied by blue "Panama, 4 Nov 1891" duplex on gray granite cover with preprinted address to New York City, red crayon "59" registry number, New York (11.12) arrival backstamp and matching purple "46951" handstamp, Very Fine. Scott No. F9 + 12  Estimate $1,000 - 1,500. ONE OF ONLY TWO RECORDED COLOMBIA F9 REGISTRY STAMP USAGES FROM PANAMA. The two recorded covers indicate that a few sheets of Colombia F9 were included with the shipment of Colombia F10 on yellowish paper that was received in 1890. $0 (Image)