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People on a Promenade is a 9.75 x 11.75in (24.5 x 30cm) crayon and pencil drawing which is signed and dated 1969.

It also has a signed inscription on the verso dedicating the picture to Lawrence Ives, a great friend of the artist whose collection was sold at Christie's in 2000.

Having also been exhibited at the Whitworth Art Gallery in Manchester and Sunderland Museum and Art Galleries, it is estimated at £45,000-50,000.

Tel: 01270 623878.