Vintage Signed Mexico Sterling Choker Bracelet Earrings Set

Total weight: 87 grams Matching set: Choker: (17.5" x 3/8") Bracelet: (6.5" x 3/8") Screw back earrings: (1 1/8" x 3/8") Purchased in mid 80s in Cancun gallery. Some surface scratches that show up in the close up photos, but don't when you're looking at the pieces. Signed "925" and other stuff that I cannot make out.