Mineral specimen collection consisting of six representative ore samples from several historic Japanese mining regions. The set includes specimens from the famous Sado Gold Mine Sado Kinzan in Niigata Prefecture, one of the most important gold and silver mining sites in Japan. Each specimen is preserved in an individual compartment with cotton padding and labeled in Japanese. The minerals represent different types of ore historically mined in Japan, including gold–silver ore, ferruginous quartz, chalcopyrite, pyrite, kuroko ore, and lead–zinc ore. According to the printed insert, the specimens originate from multiple mining locations including: Sado Gold Mine Sado Gold Mine, Niigata Prefecture Myōhō Mining Works, Wakayama Prefecture Shimokawa Mining Works Shimokawa Mining Works, Hokkaido Furuotobe Mining Works Akita Prefecture Hosokura Mining Works Hosokura Mining Office, Miyagi Prefecture The set was issued as a representative mineral sample collection related to Mitsubishi Metal Mining and associated mining operations. Such educational specimen boxes were often produced for study or reference and illustrate the diversity of mineral resources extracted in Japan. A historical and geological collectible suitable for mineral collectors, mining history enthusiasts, or educational display. Method of Shipment FedEx or Japan Post NOTICE The lot will be carefully packaged and shipped by FedEx or Japan Post. Delivery usually takes 1–2 weeks. Sometimes Customs or the delivery company in your country may contact you by phone or email for clearance. Please make sure you are available to respond. If not, the parcel may be returned to me, and reshipping will cost more than twice the original shipping fee. I appreciate your cooperation.