Dave Guardala 3 Digit Traditional Bebop Alto Silver PlateHere is an original condition DG Traditional Bebop Silver alto. It is engraved "DG TBA 768". This mouthpiece measures . 082" on my guage. This is a 3 digit era handmade Guardala that was bought in the late 1980's and kept by the original owner until now. There is some plating loss on the body and a bit on the table and rails but still measues evenly from side to side and is in excellent playing condition. There was a lot of variation with the handmade