Store › Coastal Rock Study Image 1 of 2 Image 2 of 2 Coastal Rock Study $125.00 9×12 original unframed pastel artwork by Amanda Houston. Add To Cart Added! 9×12 original unframed pastel artwork by Amanda Houston. You Might Also Like Afternoon Stroll $125.00 Hay Bale Party $150.00 Water Rhythms $150.00 Field Demo II $100.00 Symphony of Glass $125.00