Trombone Large Shank Mouthpiece Tilz Nea Model ・Size: 6-1/2AS ・Cup Inner Diameter: 25.5 ・Cup Depth: Slightly Deep ・Bore Diameter: 6.5 Gold Plated The included case (the white box in the photo) will be provided when the gold plating was applied. 【Nea Model】 ・Heavy body ・Gentle curve on the outer rim ・Slight chamfering on the shank end ↓ (Reference) Product page URL for the same model ↓ https://lemante-brass.jp/brass/tbmp_tilz_nea/?srsltid=AfmBOoqiM_oIGzkj3tcVMP-WkP2Z55cgycqvtsPyHt4LXviQNChQ3QP7 ※Condition There are no dents or scratches, and I think there are no problems with use. However, noticeable brown discoloration. When considering purchasing, please take a close look at the photos and understand before purchasing. Thank you.