A Korean celadon conical bowl with shallow sides, incised below the interior rim with a single line, all under a rich bubble-suffused pale grey-blue glaze -- 6in. diam; a celadon stem cup with rounded sides, raised on a short flaring stem, carved around the exterior with petals, all under a thin, finely crackled pale greenish-grey glaze -- 3½in. diam; a celadon cup stand, incised with loose flower sprays, and carved with pendant petals below a central whorl, all under an even bubble-suffused, grey-blue glaze; and a celadon deep bowl with steep rounded sides, the interior with combed pattern of curving strokes, all under a fine grey-blue even glaze -- 4¼in. diam, all Koryo Dynasty.