Vintage Mexican Turquoise Aztec Lapis Sterling Silver Necklace Circular Stone

Stamped 925 Silver Stamped Artists Initials Stone Undetermined either Aztec Lapis or Carlin Mine Turquoise. Heavy genuine stone with dark brown/grey with a striped of blue running through with specs of gold. Chain is newer. Estimated around 1980s 1990s Piece Great Condition Beautiful Bold Piece Bought a set of two necklaces together. Both are available at the moment.