Probably Koryo dynsaty (918-1392), of compressed disc form with shallow, recessed base, waisted neck and flared mouth, inlaid in white and black slip with cranes covered by a celadon glaze with large crackle, pooling emerald above the base, three spur marks on base.

2 3/4 in., 3 1/4 in. diameter

Good estate condition; three kiln marks to the underside; not examined under UV blacklight.