THEDA Sterling Silver Marcasite Rose or Flower butterfly Back Earrings. Beautiful pair of sterling silver, rhodium plated marcasite rose / flower/ floral butterfly-back earrings put out by the IDEAL MFG. CO., from Providence, RI. This company uses the brand name of ?THEDA? on this line of jewelry. This line of jewelry was named after the silent movie star, Theda Bara. Vintage silver earrings feature a beautiful and detailed Rose on each earring that is encrusted with Marcasite throughout the rose and the leaves. These earrings provide a beautiful presentation when worn and are really a perfect size for the earlobe. ? Size of the earrings are 17.9mm long by 12.4mm wide ? Weight of the earrings is 4.8 grams for the set (2.4 grams each) ? Condition is Excellent ? Earrings have been professionally cleaned and polished; Earrings are in ?Like New? Condition ? Hallmarks are ?STERLING? found on the back of a leaf and ?THEDA? found on the round screw that secures the earrings