The white tooth plate has some discoloration on it that is a little. I've never tried to clean it with anything as I would rather just leave it the way it is.
Other than that little discoloration, the piece is in fantastic condition. The item "SUPER RARE Brilhart Designed By STREAMLINE alto sax mouthpiece" is in sale since Wednesday, April 25, 2018.
This item is in the category "Musical Instruments & Gear\Wind & Woodwind\Band & Orchestral\Saxophones". The seller is "10mfan" and is located in West Palm Beach, Florida. This item can be shipped worldwide.