Emil Schumacher (Hagen 1912 – 1999 San José/Ibiza). Untitled. 1962 Mixed media on thick textured paper. 60,8 × 48,7 cm (23 ⅞ × 19 ⅛ in.). Signed and dated lower right: Schumacher 62. [3242] Provenance: Bernhard Sprengel, Hanover (thence by descent to the present owner)