Firenze, avalon, by royal worcester, england set of. This pattern was produced from 1969-1985. It has been discontinued. The plates measure 10.1/2 in diameter. They are white with a light blue design on a dark cobalt blue band between two fine lines of platinum. There is a fine line of platinum outlying the centre of the plates. All of the plates are in like new condition. No scratches, chips, cracks or crazing.