For sale, a fantastic necklace and pendant set made with Sterling Silver.

Combined weight of Pendant and Necklace: 31.04 Grams

CII Hallmarks:  C stands for the city of the designer - Cuernavaca.  I (the second letter) stands for the first letter of the designer's Last Name (surname).  The second I (the third letter) stands for the number of silversmith whos last name starts with I.  In other words, this designer is the first (1st) designer with their last name starting with I.  Made in Mexico.  

Pendant
Hallmarks: CII (explained above), 925 (Sterling Silver / 92.5% pure silver), Mexico (country of origin)
Onyx:  Oval, Bezel set, measuring 14 mm long x 10 mm wide x 4 mm deep
Pendant length with necklace hoop:  50 mm / 1.97"
Pendant width:  22 mm / 0.86"

Necklace
Style:  Choker / Collar
Hallmarks:  Same as Pendant's (CII, Mexico, 925)
Width:  3.5 mm
Circumference of necklace:  15 Inches
Inside diameter:  5 Inches
Feature:  Slightly hooped at back / rear.  Fits absolutely perfectly according to neck contours.  Adjustable 

This is a gorgeous set.  It is for the collector, silver investor, or the most generous gift giver.  Absolutely beautiful, handmade, vintage and classic in style and color.  
Thickness:  1 mm