cover -- 1Kr. deep black (tiefschwarz) very fine with good to large margins and showing plate flaw at lower left of "1"; on 1850 printed circular to Oberammergau tied by two-line "LANDSHUT/MAR. 1850" d.s. Pfenninger Certificate. M.1 Ib, DM.16,000. Sem DM.18,000. Photo