Size:16 inches. Silver Seahorse on Black Standl Table Top Sculptural Accent Piece. Seaside Coastal and Beach House Home Decor Collection. If you love Mark Roberts collectibles you will also love his home decors collection. All Mark Roberts Decors are made with the same attention to detail and quality as our collectibles. It is definitely a piece that defines style and elegance. By Mark Roberts Home Decor Accents and Home Accessories Collection.