This is a paperweight of Shiga Prefecture's prefectural bird, the "Great Crested Grebe," made from "Biwalight," a lead-free copper alloy produced in Shiga Prefecture. Biwalight is a copper alloy with a beautiful copper color. Over time, it will develop a dark, tasteful patina. If you are concerned about discoloration, you can polish it to restore its original shine. Weight: 200g Size: 3.5cm (length) x 7cm (width) x 3.7cm (height) Price: ¥2,400 (tax included) Material: Bronze