René Bertholo (1935 Alhandra - 2005 Vila Nova da Cacela), Untitled, 1966, Felt pen, pencil on paper. 20.0 x 16.0 cm (sheet), 31.9 x 25.9 cm (frame). Signed lower left: bertholo and dated: (19)66 (felt pen). Framed under glass in a passe-partout. Not de-framed.

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