Navajo Native American Pen Shell Heishi Turquoise Chunk Sterling Choker Necklace

Traditional unisex Navajo Native American NA Pen Shell Heishi Turquoise Nugget Sterling Choker Necklace. Some resources we found suggested this could be Santo Domingo. We reached out to some experts in Native American, Pueblo and other tribal jewelry and was told it appears to be Navajo strung pen shell heishi necklace from the 70s-80s with sterling rounds and stabilized nuggets. In overall very good to excellent, preowned condition; may have very minor surface marks / scuffs from occasional wear, age and/or storage...please review all photos carefully as they are considered part of the description Measures approx. 18" long (18.5" with hook clasp)