Rare Sterling silver turquoise bracelet set

bottom bracelet information and detailed stamps === Vintage Sterling silver 925 Mexico TF-4Y hinged bangle with 4 rectangular stones separated by by silver with a push lock closure. top bracelet details stamped into bracelet ==STERLING SILVER TURQUOISE SMALL BRACELET Cabochon set in .925 Sterling silver 1.5" X 2" size for wrist. Cabochon is a piece of gemstone, glass, or other material shaped and polished instead of faceted... turquoise