1979年中华人民共和国「出土文物」系列精製纪念银章12枚一组,UNC精铸币,硬币边沿有氧化,附原盒及证书。
People s Republic of China, set of 12x silver medallions, Archaeological Finds series, 1979, archaeological finding at obverse, name, location and date of excavation of artefact at reverse,uncirculated proof coins with some toning around edges, with original box and certificate of authenticity (12 medallions)