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)

Inside service stamp 30 Groschen grey-ultramarine with clear cachet "ZELL I/W. 23.MAY" as sole cancellation. Except for two short perf, in good condition, an attractive specimen with scarce cancellation with postmark, certificate Krug BPP (2011)