① 1982 commemorative silver medal for the 500-yen cupro-nickel coin, with case and instruction manual. This is a commemorative medal for the 500-yen cupro-nickel coin. It was manufactured to commemorate the cupro-nickel coin issued in April 1982. It features a phoenix design and has value as a work of art. Mint mark present. Measured by us, it weighs over 126g. ② Commemorative medal for the Tsukuba Science and Technology Expo. This one is silver-colored, but I don't think the material is silver. Consider it a bonus. I think the design is wonderful. Description of ①: [Year of issue] Showa 57 (1982) [Material] Pure silver, 120g [Accessories] Special case, instruction manual It has been stored at home, but there are no noticeable scratches or stains, and the condition is good. Thank you. - Year: 1982 - Material: Silver - Design: Design of the 500-yen coin - Commemoration: Commemoration of the 500-yen cupro-nickel coin issuance - Accessories: Case, certificate Thank you for viewing.