Plate. Ceramic, white, with two blue lines around the plate. One around the outer rim and one an inch from the rim. The fouled anchor is in blue at one end of the plate, designating this as the Wardroom Officers Mess china. According to, http://www.thepirateslair.com/navy_naval_china.html, the 9″ plate is for lunch and the 10″ is the dinner plate.