Art Brut - Maaß, Matthias. Untitled. Watercolor over India ink on light cardboard. Signed and dated "13.11.2007" upper right. Sheet dimensions: 30 x 40 cm. The work will be included in the catalog raisonné of the "Matthias Maaß Collection Kampik". - Matthias Joachim Maaß (1958-2019) began drawing and painting professionally in the 1980s. He is considered one of the best-known Heidelberg artists with experience of psychiatry. There are over 90 works by the artist in the Prinzhorn Collection. - In very good condition. - Provenance: Private collection Baden-Württemberg.

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