Dr. Wall period, C.1770-83. 3” and 4 7/8” diameter. Blue on white decorated with Chinese lake scene including a man on a boat and another fishing. that scene is based on canton export pottery of the period but executed with much greater skill on Worcester porcelain. Each with the crescent maker’s mark underglaze. Slightest wear to the ring bases, and 2mm flake to the saucer edge as shown,,otherwise fine condition. The very heart of Dr. Wall porcelain and the beginning of the English export industry.