Heinrich Köhler 383rd Auction – Day 5 Germany 1849–2000 – German Empire, German Colonies with Occupation Issues (G.R.I. and MAFIA), Plebiscite Areas, Germany after WWII – The Erik B. Nagel Collection (part III)

3s. on 3m. violet-black, with clear double-surcharge, unused with slightly tropicalized as all the known copies have, two perfs at right slightly shortened, a very fine copy of this rare stamp with only 20 printed (one of which with the "inverted s" variety), signed Holcombe with certificate (1992)