Provenance
Collection of Dr.Ott, Germany.
Private collection, UK.

Exhibited
1962, F.B.A. Galleries, cat.no.38.
1964, Zurich, Switzerland, cat.no.8.
1963, Kunsthalle Baden Baden, Germany, cat.no.38.
Hanover, Germany, cat.no.16
1968, Kunstverein, Dusseldorf, Germany, cat.no.16, ill.
1968, Lubeck, Germany, cat.no.16