Wax Seal Matrix from the French Site

[PBR]

Went back to our site today and did a little work for the landowners. We were able to hunt for a couple hours and i got skunked. My buddy dug what i think is a Wax Seal Matrix with a crown and some possible letters/initials inside of it. Was wondering if this could possibly be French and if so what the letters might be. . Please take a look. Any suggestions will be appreciated. Thanks UPDATE: I got him to send me a couple more pics of the matrix the way he dug it. It has a silver wire attached with a square shaped silver cufflink or button on the end. The button is plain with no design.

 

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[CRUSADER]

Good research(Although I've seen similar British Crown types as well), now the OP, has to extend his timeline for the site; 1721 is either incorrect or someone visited later.

 

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[Captain Caveman]

Tell your hunting buddy Congratz from me! That is awesome! I hope you're able to link it to a household!

 

[CRUSADER]

http://www.treasurenet.com/forums/today-s-finds/498312-last-couple-days-killer-finds.html
I just want to draw your attention to this recent US find. If I understand right, it has a British Hallmark. Plus waiting to hear details on the site.