Mark Sutherland Half Hull Model of Marshall Shanderling 18 ft. Catboat DeptFurniture/Decorative Arts Mark Sutherland Half Hull Model of Marshall Shanderling 18 ft. Catboat, painted pine hull, black veneer waterline lift on mahogany back board with breadboard ends, signed on Reverse Mark A. Sutherland, 2014. Consign Now Please note that this auction has ended. Click here for an overview of this auction.