Vintage Large Sterling Silver Mexico Heart Earrings Stamped stamp work

Large Vtg Sterling Silver 925 Stamped Mexico Heart Earrings. Large, 2 inches, see measurement photo. One earring marked on back: Mexico 925 and letters and numbers. TT-35, TH-39?? Light expected tarnish to sterling, can be polished if desired. No backs. My other closet items include: chain necklace pendant bracelet cuff ring stone rhinestone crystal tribal boho artisan ethnic turquoise Taxco Native American Navajo Southwestern