Sako Ryuhei Japanese, b. 1976
Twelve Ridge Mokume-gane Tea Container, 2021
Silver, copper, shakudo (alloy-copper, gold), shibuichi (alloy-copper, silver) and kuromido (alloy-copper, arsenic)
h. 3 1/2 x dia. 2 7/8 in. (8.8 x 7.2 cm)