Exquisite and very rare to find antique 18th Century Korean Bowl Celadon, Size, 4.75 Diameter. From important private Collection of USA in Chicago . Great in all important asian porcelaine collection. Museum item. Sotheby's quality Porcelaine.Take a look for the same https://www.liveauctioneers.com/item/28378293_a-korean-celadon-octagonal-bowl-with-floral-motifs