Frost W9M27 Trumpet Mouthpiece Top Warburton Kanstul Parke Pickett Frost Threads

Description

Frost Custom Brass W9M27 trumpet/cornet mouthpiece top section with Warburton, Kanstul, Parke, Pickett, Frost Threads. Condition is New. This was a special order that never shipped and is in original packaging. Shipped with USPS First Class. This is the top section only.
W = Frost Wide rim
9 = size, 0.600" on the Frost/Parke size chart
M = Frost M cup
27 = throat size
It's in the Frost blank from 2018 and earlier.