We can supply wooden backing boards if required. They are usually made in Oak. However we do have Sapele (similar to mahogany) and Iroko (similar to teak). If you want a specific timber, please state on the order form. When finding the price of a backing board you will need to add about 1 " 25mm to the size of the plaque. eg plate 4" x 6" will need a backing board 5" x 7".