This Royal Crown Derby English bone china dinner plate features a red, white, black and gold Japan-inspired floral and geometric motif and 22-karat yellow gold trim. It measures 1″H x 10 1/2″ diameter. “Imari” patterns typically feature designs and colors based on porcelain pieces first produced during the Edo period (from 1603 to 1868) on the island of Kyushu, Japan. About Royal Crown Derby. Since the 1700s, Royal Crown Derby has been creating classic designs that are both functional and collectible. Rich colors and intricate gilding remain the distinguishing features of its exquisite craftsmanship.