Vintage Hoffman Puana Shell Abalone Necklace Boxed

Striking vintage Puana shell necklace n the original box. Puana is the Maori name for abalone shell, and this is a beautiful example in silver tone metal. Nice chain with spring ring closure, all unmarked. The box insert is marked "by Hoffman". Cardboard box with a clear plastic lid. -- Necklace measures 16" long and pendant is 1 1/8" x 7/8" -- Nice condition --the finish on back has some light spotting and unevenness but it looks never worn, so Im not sure whether its just tarnish. Box shows minor expected wear and lid has some light wear and remains of a sticker, looks like. Great gift!