Ref.1 1955 Indian Ink on bristol board Dim:53x45,5cm   Ref.2 1957 Miners Indian Ink on bristol board Dim:39x50cm   Ref.3 1957 Clowns Indian Ink on bristol board Dim:45,5x55cm   Ref.4 1957 Miners Indian Ink on bristol board Dim:57x34cm   Ref.5 1957 Indian Ink on bristol board Dim:63x39cm   Ref.6 1959 Indian Ink on bristol board Dim:65x49cm Ref.7 1959 Indian Ink on bristol board Dim:65x49cm   Ref.8 1959 Indian Ink on bristol board Dim:25x40cm              Ref.9 1959 Indian Ink on bristol board Dim:20x33cm   Ref.10 1960 Indian Ink on paper Dim: 20x22cm Ref.11 1960 Indian Ink on paper Dim: 22x22cm Ref.12 1960 Indian Ink on paper Dim: 14x21cm   Ref.13 1962 Indian Ink on bristol board Dim: 22x33cm   Ref.14 1967 Indian Ink on bristol board Dim:14x19cm   Ref.15 1967 Indian Ink on bristol board Dim:14x19cm