1861, 1¢ blue + 10¢ green (pair). Pen cancelled on a small 1867 cover to Switzerland, marked "Tombé à la Boîte" (fallen in the box) and returned to the U.S.A., with numerous transit and backstamps; one 10¢ defective and a minor cover repair at top, otherwise F.-V.F. Scott No. 63+68  Estimate $100 - 150. $0 (Image)