Koestler Trust exhibition: Art by Offenders - in pictures

The Visit, Anon, HM Prison Shepton Mallet, bronze award for oil or acrylic Photograph: Images courtesy of the Koestler Trust

Aargh!, Anon, HM Prison Whatton Photograph: Images courtesy of the Koestler Trust

Stoke-on-Trent, Anon, HM Prison Dovegate, mixed media Photograph: Images courtesy of the Koestler Trust

Communitree, Anon, HM Prison Cookham Wood, bronze award for oil or acrylic Photograph: Images courtesy of the Koestler Trust

Cubist Quilt, Anon, HM Prison Wandsworth, needlecraft Photograph: Images courtesy of the Koestler Trust

You're Getting Transferred, Anon, HM Prison Shotts, highly commended award for oil or acrylic Photograph: Images courtesy of the Koestler Trust

Diptych, Anon, HM Prison Inverness, commended award for mixed media Photograph: Images courtesy of the Koestler Trust

The Art Room - Brixton, Anon, HM Prison Brixton, silver award for drawing Photograph: Images courtesy of the Koestler Trust

Hakahookoo, Anon, Ashworth Hospital, sculpture Photograph: Images courtesy of the Koestler Trust

Life on The Wing on the Inside, Anon, HM Prison Wandsworth, oil or acrylic Photograph: Images courtesy of the Koestler Trust

My World, Anon, HM Prison Full Sutton, gold award for drawing Photograph: Images courtesy of the Koestler Trust

Puzzled, Anon, HM Prison Manchester, commended award for drawing Photograph: Images courtesy of the Koestler Trust

Snowfields, Anon, Kibble Safe Centre, pastels Photograph: Images courtesy of the Koestler Trust

Hastings’ Finest, Anon, HM Prison Cookham Wood, Under 18s special award for oil or acrylic Photograph: Images courtesy of the Koestler Trust