Russia 1921 20k on 7r dark green & pink, used imperforate...

Russia 1921 20k on 7r dark green & pink, used imperforate horizontal pair, one stamp with inverted surcharge, inconsequential toning and small scissor cut between stamps, signed Papadopulo. A rare tete-beche, one of only 2-3 known

(via Philasearch.com - Russia Siberia, Scott 72,72var)

http://ift.tt/1HF82ke