Edouard BRANDON (Paris 1831-1897) Presumed portrait of the artist Abraham Zwahlen (1830-1903) in 17th-century dress. Pierre noire, sanguine and estompe on miteinte paper. Signed, located and dedicated lower right A. Zwahlen, peintre/ Rome. Monogrammed upper right A.Z. 15.6 x 11.7 cm

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