Can anyone identify this nacklace?

[hellofromny]

It's looks old. I tested it and it's real silver but no hallmark.

 

[TARSHA]

Kinda' reminds me of Concho peces.

 

[TARSHA]

Kinda' reminds me of Concho peces.

DUH, meant pieces

 

[lambskin]

My guess too.