Cast-iron Tetsubin, the body molded with three decorative bands evoking chrysanthemums, Mount Fuji and stylized waves. Copper handle in the shape of a chrysanthemum bud. Inside the lid, a signature in cursive script 龍文堂造 Ryubundō tsukuru, made by Ryubundō. Japan, late Edo period H. 21 cm (corrosion, shock)