EIGHTEEN CROWN DERBY DINNER PLATES, IMPRESSED UPPERCASE MARK AND IRON-RED CROWNED MONOGRAM, RETAILLED BY TIFFANY & CO., each with an elaborate 'Persian' pattern in bright colours on pink, peach, maroon and turquoise ground--10in. diam.; together with two Crown Derby 'Old Imari' pattern dinner plates, impressed uppercase mark and iron-red crowned monogram--10½in. diam. (20)