Rolf Hans Frankfurt 1938 - 1996 Basel Untitled, 1962 Pastel on handmade paper signed upper left, dated Sheet Size: 65.5 x 54 cm Frame: 90 x 78 cm Model frame, museum glass Literature and illustration: ROLF HANS Tachist Painting & iron sculptures, page 10 This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution