Vintage Style Seaside Travel Poster by John Dyer. Durgan - Helford River, CornwallA wonderful wall art travel poster print of Durgan in Cornwall by Cornish artist John Dyer. John Dyer's paintings are widely acclaimed and he is Cornwall's best loved contemporary artist. This delightful art poster print brings us one of his stunning paintings of Durgan on the Helford River. Purple and blues combine to create a tranquil glimpse of the beach at Durgan. A perfect window onto Cornwall that you can add to your home or office. Available