This 7K limited edition low population of only 859, perfectly graded MS70 from NGC is the 2020 S. Korea Chiwoo Cheonwang 1 Clay Medal silver coin. As the leader of the 12, the legend of Chiwoo lives on in 2020. This one stands of its own with low pop of 859 and minted in KOMSCO. Free shipping Shipped with USPS Priority mail.