These older hard rubber mouthpieces were designed to work excellently with vintage horns. They feature very large chambers, short shanks and straighter baffles. This one has a rather closed .043″ tip opening meaning it should work better as is with a harder reed. Like most vintage pieces, the hard rubber is very high quality so a good refacer could likely make this a great piece for your personal tastes.
Condition is very good. There are some minor scratches on the side rail, but nothing that will affect how it plays.
Original Cap and Ligature included!