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)

1911, advertisement "Export-Prämie" + 10 Pfennig in horizontal se-tenant with two wide stamps (postage stamp), used, left with resp. short perf, otherwise in good overall condition, scarce, certificate Jäschke-L. BPP (2022)