October Fields , 1976, acrylic and enamel on cotton duck, 272 x 482 cm.

October Fields, 1976, acrylic and enamel on cotton duck, 272 x 482 cm.

Oceania , 1977-78, enamel and acrylic on cotton duck, 303 x 372cm.

Oceania, 1977-78, enamel and acrylic on cotton duck, 303 x 372cm.

Cembelin , 1974, enamel and acrylic on cotton duck, 183 x 244 cm (304).

Cembelin, 1974, enamel and acrylic on cotton duck, 183 x 244 cm (304).

Helms Deep , 1974, acrylic and enamel on canvas, 273 x 479 cm.

Helms Deep, 1974, acrylic and enamel on canvas, 273 x 479 cm.

Journey Through Green , 1974-75, acrylic and enamel on canvas, 271 x 480 cm.

Journey Through Green, 1974-75, acrylic and enamel on canvas, 271 x 480 cm.

Columbus , 1977, enamel on canvas, 274.3 x 274.3 cm.

Columbus, 1977, enamel on canvas, 274.3 x 274.3 cm.

Elmira Pink , 1976, acrylic and enamel on canvas, 218 x 168 cm.

Elmira Pink, 1976, acrylic and enamel on canvas, 218 x 168 cm.