Key to Surface-printed Issues 1855-1883

Quality: ✉

1876 N° 141 "2,5d. rosy mauve" with watermark "ORB", accumulation of 5 letters wo. 1 letter franked n° 141 (2x) PERF-IN, destination Sweden, Finland, Russia (3x), all letters sent from London between 1876/1879, vf.