Early Fred Lebayle 7 Metal Tenor Saxophone Mouthpiece with custom BG ligature

Amazing condition early Fred Lebayle mouthpiece - Berg Larsen style bullet chamber/baffle. Comes with interesting BG F.Lebayle single screw ligature and cap that slots in perfectly. Plays amazingly well. Huge tone, great harmonics and projection. 
Marked as a 7 tip and measures .090”.