I thought this might be Sowerby Lily, I can not find it listed as Sowerby in the few pattern books I can access on the internet or on Pams website, I might have missed it as there are so many pieces on there, any thoughts?.
9 1/2 inches in diameter across the rim, 4 3/4 inches across the base.
No base wear, almost in mint condition with no wear to the plate.
Regards Chris.