Offered for sale below is a selection from stock of original artwork for Collins titles.  I have many others.  Many are signed.  All are on artboard, and the sizes given are for the image in inches.  Most have a Collins' pink slip on the verso giving instructions to the printer.

Bride of Pendorric by Victoria Holt 1963.  Artist unknown, 7" x 8.3" gouache on paper.
£120.00

The Hunter by Hugh Fosburgh 1950.  Artist: CHRISTOPHER BARRINGER (not signed) 9.7" x 12" gouache on artboard.
£65.00

Malayan Rose by Mark Derby 1951.  Artist: BERRY (signed) 6.7" x 8" gouache on artboard.
£75.00

Winter in London by Ivor Brown 1951.  Artist: LYNTON LAMB (signed) 10.3" x 12.6" gouache on artboard.
£350.00

The Age of Longing by Arthur Koestler 1950.  Artist: PETER CURL (signed) 7.2" x 8.3" gouache on artboard.
£55.00

The Spring Show by Helen O'Clery 1949.  Artist: BERYL THORNBOROUGH (not signed) 6.4" x 8" ink and watercolour on paper.  £120.00