Navajo Native American "D. Clark" Native American 25" Necklace

Navajo Native American "D. Clark" Native American 25" (from clasp to clasp) Necklace - engraved on the back "to Geri Clark, 1975 With Love, D. Clark".  Also written on the back in black marker is "240-", which is the price that the seller was originally asking on the piece.