Help with a Maker's Mark/Hallmark on k10 Brooch/Pin plz...

[CaLiZoe]

Hi!
I have a k10 yg & synthetic pearl cluster brooch, with a trombone catch, & on the back next to the k10 mark, there's a capital T inside a circle. Thought it might be Eugene S. Toner Co. (1902-1914), but now I'm not sure. Any other ideas would be helpful. Thanx!!

 

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[Hillbilly Prince]

Photos would be good

 

[CaLiZoe]

 

[Hillbilly Prince]

That is nice. Somebody here ought to be able to help.

 

[CaLiZoe]

Nothing yet...I've looked everywhere, lol

 

[A2coins]

Tiffany ?