Drawing is the most important  part of  Derek's work
PictureHarper Autumn Wilson,charcoal
                                   
                                 
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Picture
Sparrowhawk
Picture
Pisa sketch, charcoal, 20 x 30 cms
Picture
Nude, conte, 40 x 30 cmx
Picture
The Thinker, charcoal, 70 x 80 cams
Picture
Sheep's Skull, charcoal, 70 x 85 cms