Sterling Silver necklaces set of two

single heart: 925s Sterling Silver with 1/20 ct heart necklace. I’ve had it for years & it has just been sitting in my drawer collecting dust. I think it was purchased at like a kay jewelers or zales since we took it in once to get it cleaned but don’t remember which one. I looked around and similar styles run about 70-100. double heart: Double heart necklace. I’ve had it for years & it has just been sitting in my drawer collecting dust. It has the initials? MDN in the inner heart. OBO