first u need to find what year u bought it and how long it has been sitting on the shelf in the storehmmmmm!!!1963
according to the best available list, this horn was made between 1954 and 1956
according to the best available list this horn dates to 1965 - 1966actually 1978
1962 / 1963
There isn't a specific "correct" answer. A Selmer lig if you want to stick with the same brand. Really, any one that fits and that you like. Try a few at your local music store, including perhaps a...