Rudolf Kämmer (1935 Rudolstadt - 2019 Münsing), Untitled, 1971, Acrylic on canvas. 161 x 161 x 7.5 cm. Signed on the stretcher: Rudolf Kämmer, dated: 1971 (black fiber pen)., Provenance: From the artist's estate, private collection, Munich. Exh. cat. Rudolf Kämmer. Quittenbaum Gallery, Munich 2018, p. 48.

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