Hi Diana,

Thank you for contacting us. James Edwards is one of three makers listed in the Additional Information in the "Foliage" pattern record. We would be pleased to use a photo of your "Foliage" plate and the mark if you could send it to my email posted here. This is the information we have on the maker:
James Edwards (& Son)
J. E. & S.
1842 - 1882
Burslem Staffordshire