I agree with the admins comments but what I'd really like to know is are two 925 marks on a piece unusual and common for the time this might have been made.
http://i49.tinypic.com/x3bqx0.jpg" onclick="window.open(this.href);return false; (admin photo edit - image too large - insert as link only - see Posting Requirements ) Brooch has "Silver Mexico" mark on the back. I am trying to identify date and possible maker. I believe the stone is obsid...