Wheal Coates Coastline Original Art. Original artwork by British Artist Diane Griffiths. Acrylic, oil and enamel on 50x50cm canvas with painted sides. Also available framed in a high quality white wooden floater frame. Framed measurements: 53x53cm, depth 3cm. Signed with Certificate of Authenticity. Sorry, our items are NOT available for pick-up. No additional information at this time. You might also like. Eden Project Bee Original Art. Corbyn Head Torquay Original Art. Menai Bridge Original Art. A Liverpool Reflection Original Art.