17.4.65. 17.04. 1965.
Egg and oil tempera.
Signed and dated "17.4.65" in the upper left. On batiste. 11.3 x 14.3 cm (4.4 x 5.6 in), the full sheet.
. [EH].

• Lucid color application in subtly balanced chromatic sensitivity.
• In 1963, the Institute of Contemporary Art in Boston honored him with a comprehensive retrospective (subsequently shown in Chicago, Detroit, New York (State) and Los Angeles).
• In 1964, his works were shown at documenta III in Kassel.

Acompanied by a certificate of authenticity issued by Lisbeth Bissier on October 20, 1982 (in copy).

PROVENANCE: Artist's estate.
Lisbeth Bissier, Ascona (since 1980).
Corporate Collection Ahlers AG, Herford.

In very good condition.