Bb Tenorhorn 3RV made by Martin Mainer of Trautenau in the Sudeten region of Bohemia/Czechia
5. Body
6. Trautenau was the German name of a town in the Sudetenland in northern Bohemia. Its Czech name is Trutnov. The engraved town name tells the instrument to be made either before the end of WWI or between 1938 and the end of WWII. Most likely the former
