1979年现代套币一组。四枚。上海造币厂。 CHINA. Mint Set (4 Pieces), 1979. Shanghai Mint. CHOICE UNCIRCULATED. 原厂包装,各枚钱币均经细心保存。PVC与金属产生反应,导致出现些许液态物质,但无损完好品相。 KM-MS1. A pleasing Mint Set offered in the original package, this wonderful set contains coins that are nicely preserved and wholesome. Some liquidlike substance is noted from the interaction between the PVC and the metal, but a yet wholesome piece.