段泥苦瓜水滴 The Duan stone carving is of bitter melon shape and design, with naturalistic exterior, the Duan stone is of light brown color tone with slight russet, artist mark on the bottom of thick end. The Duan stone carving is of bitter melon shape and design, with naturalistic exterior, the Duan stone is of light brown color tone with slight russet, artist mark on the bottom of thick end. Length: 7 in (17.8 cm)