I purchased this new from a musical instrument store about 20 years ago. I used it for a short time, attached to a Gibson guitar. After that, I removed it and stored it in a parts box for a long time. ---Please read the following carefully--- ◎ I polished it with a dry cloth, but the dullness on the surface could not be completely removed. ◎ The material is aluminum, as I was told when I purchased it. ◎ "Made in Japan" is written on the back. ◎ There are numerous scratches, some discoloration, and dullness, but it functions without any problems. ◎ I will ship it via Rakuraku Mercari's Nekopos service. ◎ Please make your purchase decision after carefully looking at the photos. ◎ No claims and no returns accepted. ◎ I am prepared to consider a slight price reduction. Thank you.