The Vintage Wm Frank Co Chicago Trumpet Mouthpiece is a rare and collectible piece for musicians and collectors alike. Made in the United States by the renowned brand Wm Frank, this silver plated  mouthpiece is designed specifically for trumpets, adding a unique and nostalgic touch to any brass instrument collection. With its historical significance and high-quality craftsmanship, this mouthpiece is sure to be a prized possession for any trumpet player or enthusiast.