Necklace and earrings were purchased in 1991....so they are over 34 years old.  Necklace is 20" in length and earrings are 2" in length. They were purchased in Honolulu at "The Little Hawaiian Craft Shop" and are at least 80% Niihau shells. Buyer will receive the original information I received when purchased plus the original COA.  Due to the value they will be mailed with a signature required upon delivery.  

It looks like you are selling a Niihau shell item. Listings for Niihau shell jewelry on eBay must have been made in Hawaii with at least 80% Niihau shell. To sell these items on eBay, you need to specify the percentage of Niihau shell in your item and include the following text in your listing:

This item was made in Hawaii, and is at least 80% Niihau shell. The actual percentage of Niihau shell in this item is <PerNecklace will be mailed with original COA.