Elegant sterling silver and black obsidian necklace designed and signed circa 1950's by Taxco, Mexico modernist Antonio Pineda (1919-2009). The necklace will comfortably fit up to a 16 1/2" neck. The necklace drapes beautifully and is in exquisite condition with no issues. Fully hallmarked. The clasp is tight and secure. Antonio designs have been included in numerous museum collections and exhibits.