Sellmansberger-Houser #2A (32.3mm) Stainless Steel Tuba Mouthpiece Screw Rims

Description

I am selling my three Sellmansberger-Houser #2A 32.3mm stainless steel screw rims, designed for the older-style two-piece Sellmansberger mouthpieces ("Blokepieces"). All three are in excellent condition and have slight scuffing but no scratches.
All three have exactly the same rim contour--namely, the Sellmansberger #2A "Medium Narrow" 32.3mm rim--but differ in the stamp markings and in rim-cup interface design:
The first two, on the left and center in the pictures have the basic flat rim-cup junction. The rims are stamped, “SELLMANSBERGER No.2A Med. Narrow 32.3MM HOUSER MPC”
The third, on the right in the pictures, is a newer style with an added 1/16” skirt at the rim-cup junction. The skirt is cosmetic only, and was apparently intended to cover up the junction.  This rim is stamped, “No. 2A 32.3MM Med Narrow HOUSER MPC. WORKS”
All three are for sale. Buyer gets their pick of remaining rims.