I'm selling this mouthpiece because I'm using a different one. As you can see in the photos, it's in very good condition. I'm also selling it on other flea market sites, so please comment before purchasing. ↓ Here's some information from the internet: * Helleberg 7B For B.C.Es.F tuba Inner rim diameter: 32.0mm Throat diameter: 8.3mm Finish: Silver plated Cup: Medium V-cup Shank: American New price: 22,880 yen