plates - European. Possibly Portuguese or Greece

They look Southern European; Portugal or Italy, maybe

Thank you, they all appear to have the same signature but I can't identify it.

Could be the monogram of the decorator. The decoration is typical of the region where it was made so there are likely to be a number of decorators employed over the years

Thank you very much for your help x

I’ve split the thread so the other items for ID have their own threads