This is a remarkable vintage Santo Domingo early 1900's necklace. This piece contains marvelous graduating blue turquoise nuggets that appear to be Pilot Mountain or Persin turquoise. The largest turquoise nugget measures around 1-1/8" X 5/8". Check out those marvelous white shell heishi that were wonderfully hand cut. Sterling silver. The length of the necklace measures around 30". Sturdy 83 grams.