2 1/2 Groschen large shield, red-brown, in the small stamp format L15 with Klaucke frame cancel with 3 lines "ESSEN R. B. DUESSELDORF" on piece. Photo expertize Dr. Alexander Zill BPP (2020) ". Good embossed and well perforated in perfect condition. ", Michel 700.- plus 20% additional charge for the stamp format