Antique vintage brass sousaphone

Description

Antique vintage brass sousaphone. Condition is "Used".There are 3 valves in this Sousaphone and its valves are made up of pure brass and is wholly designed by our professionals .This Sousaphone can be used in march past ,wedding ceremonies
I do not know how to play. Some shopkeeper had to sell and I bought.And i don't even know this thing