Thai or Siam silver cuff bracelet? "B in Triangle"

[bceltic]

Hello, hoping I can get some help with this marking. Belive this may be a siam or thai piece. Hard to find any markings on the inside, but there is a B within a triangle on the outside edge of bracelet. Anyone recognize this marking?





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[dognose]

A post that's worth a bump.

Any thoughts?

Trev.

[cap]

anyone ever figure this out?