This white ironstone dessert plate is decorated with lavender blue relief design called Chelsea Grape. Reference: Page 27 of "Collectors Encyclopedia of English China" by Mary Frank Gaston states that is dinner ware was made by several Staffordshire potteries from 1830. This plate has a faint embossed garland. The plate measures 6 3/4" in diameter. It is marked with a 1912-26 mark of the Adderley Ltd. Staffordshire pottery. Very good condition.