Indistinctly signed

Lot 2023 limit € 20

Pen wash over lead and watercolour, self-portrait, signed Rüdiger... on the lower edge, dated (19)30 and inscribed, framed behind glass in a passe-partout, minor signs of age, sheet cut-out approx. 22 x 16 cm, with frame approx. 30 x 24cm