EditorialWilhelm Busch, playbill for the knight's stirring play Das graue Geheimni? oder Der verm?rtelte Knappe by O. St?ger, paper, lithography, sheet size: height: 35,3 cm; width: 22,3 cm, inscribed: recto: in lead: Jung-M?nchen Wilh. Busch? Munich, playbill,...