Identifying Jewelry Hallmarks: T.J.M. & Beaver Symbol - Expert Assistance

Question
I am looking for help identifying the mark on a recently acquired gold locket.  Any help or references would be greatly appreciated.  There is a capital T.J.M. in an oval with a left-facing beaver on top of the oval.  Locket has sentimental value so won't be dissapointed with age of locket or company.  Just curious.

Answer
I'm sorry I am not familliar with this hallmark.

Thanks for writting !!!

Good Luck

A.DeMello Gemological Laboratories
Arthur DeMello GG (GIA) J-Bar (JVC) USPAP
http://www.nationalgemologicallaboratory.com

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