That's most likely a lemon dish with the lemon fork, can probably dig up a catalog illustration or two when I get home... ~Cheryl
Bakersgma - I think you were correct in thinking that it's a Thomas Wilkinson & Sons 'Pelican Ware' mark, an undocumented variant. This page shows the similarities to their marks: http://www.silvercollection.it/electroplatesilverWZdue.html#WILK2 ~Cheryl