The Larson Bros. of Chicago, IIlinois (The Prairie State) built guitars and mandolins under several brands and for various retailers.  Some of the Euphonon and Prairie State guitars were sold thru the "Wack Store" in Milwaukee, WI. under the Maurer brand name. Made from a dark stained spruce top, with Brazilian rosewood back and sides, and mahogany neck. Ebony fingerboard and bridge. Internal steel bar body support system, and small wrap-around rod (goes around heel). Patented laminated X-bracing. Tortoise plastic pickguard attaches to the bridge. Equipped with Grover riveted open-gear tuners.  Oversized, rough period hardshell case included. Made in USA. On consignment.