1866 (Dec. 10) New Brighton, Pa. to St. Gallen, Switzerland, 1864, 3¢ pink entire sent with origin cds and target cancelling, "New York, 6, Dec 12" cds and boxed "F./30" exchange markings, red crayon 110 centimes due with various transit and receiving backstamps, Very Fine, a unusual unpaid usage. Scott No. U58  Estimate $200 - 300. $0 (Image)