Model: TP8111G - Brass body, Gold lacquered - Nickel Silver valves(Diameter: 123mm/11.65mm) Feature:- Model TP8111G: Student Model- Brass body, Gold lacquered- Nickel Silver valves(Diameter: 123mm/11.65mm) Brass Body,Gold Lacquered Trumpet,Nickel Silver Valves(TP8111G)