http://www.burchardgalleries.com/auctions/...03/nov16cr1.htmthe site above shows a Wm Guerin (your WG & Co) cache pot with a pheasant theme. I think it also shows the backstamp. Very pretty.
You need to pursue your search thru some Limoges books, because there is not a lot of WG & Co, or Wm. Guerin on the web. They used one mark from 1900 - 1932 in green, with WG & Co., in the center of rather fancy brackets.
In general, Limoges game plates by various makers carry price tags of $135 to $275, and some, possibly rare, more. Artist signature either on the back or usually just below the design counts too. As well as condition.
You'll want to insure your treasures. Perhaps your agent can advise as to establishing a value. Best wishes, KB
