You are viewing a fine quality Taxco, Mexico solid Sterling silver collar necklace made in the 1980's. The interior measures 4 1/2" by 4 3/8". It should fit a 15 - 15 1/2" neck.It has a leaf design in the center which looks very Arts & Crafts in design; and, it is 1 1/4" wide. The necklace is hinged on the sides for easy placement upon the neck. It is marked: 925, Taxco, Mexico, bnc. The necklace weighs 2.85 oz.