Vintage Whiting and Davis Black Glass Cameo Clip-on Earrings!

I saw these at an estate, and I had to grab them. They are so freakin' cool!! These are marked Whiting and Davis on the clips. The front is a black glass around the female cameo and the rest is a pewter-tone color. Each earring is about 22mm in diameter. Please inspect and enlarge the pictures to assess the condition of the item for yourself. Please ask any questions you might have. New/Vintage/Pre-owned/antique items are being sold as is. Pictures are not altered and colors have not been adjusted. Due to technical reasons, colors may appear differently on your electronic devices. Pictures may also be enlarged to show better detail. 💎gemstone, 14k, 10k, 18k, sterling, silver, gold, estate, ring, pendant, earrings, loose, natural, stone, genuine, synthetic, lab, diamond, moissanite, vintage, real, gemstone jewelry, engagement, anniversary, promise, wedding, plated, gem, necklace, brooch, fire, crystal, jewel, gift, authentic, collectable, affordable, tested, luxury, natural, opal, emerald, aquamarine, topaz, sapphire, tourmaline, zircon, spinel, investment, ruby, alexandrite, stamped, gift, birthstone, mom, mother, fiance, wife, girlfriend, designer 💎