ニューストンライン 171 バストロンボーン用カップミュートの高価買取価格

The New Stone Lined (ニューストンライン) model 171 cup mute for bass trombone (バストロンボーン用カップミュート) appears to be a store display item available at a special discounted price. Cup mutes are commonly used in brass instruments to create a softer, more muted sound, often utilized in orchestral or chamber music settings.
If you're interested in purchasing or learning more about it, you might want to check with the retailer for availability, condition, and whether there are any guarantees or returns.