1911 Germany, German South West Africa - Deutsch Sudwestafrika, 5pf Plus Label, Michel W4 R4/25. Michel Nr. R4+25 Horizontally se-tenant
R = advertising label. Used Very Fine. photo certificate by R. Steuer "The used rare unit is real and timely canceled. The pair belongs together and is in good condition with traces of minimal, bent teeth in the middle. No signature on my part." Michel € 2500.