Nambu Ironware (Southern Ironware) — Cast Iron Kettle featuring Mountain and Water Reliefs, with Copper Lid and Handle Nambu Ironware represents a traditional cast-iron craftsmanship that has been handed down for nearly four centuries in the Morioka and Mizusawa regions of Iwate Prefecture, Japan. Recognized as a National Traditional Craft of Japan, it stands as an iconic embodiment of both Japanese aesthetics and traditional artisanal skill. With continued use, the ironware develops a rich, lustrous patina; possessing both practical utility and significant collectible value, it holds a highly esteemed position within the culture of the Japanese tea ceremony.