Signed and dated original pastel.

'While he sketches often directly from nature, en plein air, the pastel drawings are almost exclusively worked on in the studio. Frequently the sheet the sheet is covered with a single plane of colour and then the process of manipulation commences as luminous layers build up on top of one another until a structured formal framework emerges.' Sasha Grishin, David Blackburn- A Vision of Landscape, Goldmark Gallery 1989