Cordoba PROTEGE-SERIES Full-Size Nylon-String Classical Guitar - Natural MatteCordoba C1M Overview Designed for aspiring classical guitar players, the Protg Series C1M from Cordoba is a full size, nylon string classical guitar with a natural, matte polyurethane finish. It utilizes a traditional, classical build with fan bracing, featuring a spruce top with mahogany back and sides. Aesthetics such as a traditional rosette and black ABS binding are also incorporated. The guitars mahogany neck sports a C shaped profile, with a 25.