GRADUATED SET OF 4 RIDGWAY BLUE WILLOW PLATTERS: Hard to find set of 4 platters in sizes 17 1/8'', 15 1/2'', 13 1/2'' and 11 3/4''. Backstamped with the Ridgways winged rocket, used after 1912. Very good condition, please note chip on underside of largest platter, and some discoloration on the 13'' one.