Vintage 1930s 1940s Art Deco Silver Bracelet with Amethyst

Gorgeous vintage statement bracelet in silver circa the 1930s or 1940s. Embellished with lovely amethysts. Stamped on the back with Silver, Mexico. Looks like there may be a designers mark as well but I can't identify it.
Measures about 7" tall and 1" wide.  I do not know if this is sterling or not, so am selling it and have priced it as less than 925 silver.

Excellent vintage condition.  I imagine it would polish up beautifully, but I've left it as is, as I prefer the look of unpolished silver. 

Please note: These are vintage, preworn and/or preloved items. I do my utmost best to list any issues, but signs of wear should be expected, and there are occasionally small things I won't deem worthy of note. Please feel free to send me a missive with any questions. I'm truly happy to help in any way possible and I'm always up for a chat. Any accessories shown, including crinolines, are for display only, not included unless otherwise stated.