Hi I know that the Glasgow hallmark is a tree with a fish so this maybe what you are looking at which would make sense with the thistle as I have had many items with the thistle and the tree and fish which comes from Glasgow. Regards Angtheone
Rating
Looks like an owl by: Mel NZ
I think it looks like an owl.
French
The hallmark depicted here is a French hallmark that was struck in jewelry in finished condition that were brought to be examined by the French assay office. Therefore one cannot be sure of the origin of a piece of jewelry with this hallmark. It has been used since 1893.