Courtois Professional Flugelhorn

Bore: 10,50 mm (0,413 ), 1 and 3 valve slide trigger bell material: brass, diam. 170mm (6,693 ), direct air column, Monel valves option: gold brass bell AC155R 3 water keys, B11/2 C mouthpiece, deluxe soft case Rosee brass bell. Silver Plated