Sterling Silver Marcasite Openwork Ring Band 925 Sz 9

Interesting openwork design consists of three scalloped-edge columns of three equal-size, bead-set marcasites (each 1 mm) separated by row of three slots. Rest of band is plain and narrower, 2 mm - 5 mm. Stamped "925" inside to right of design. Size 9 (approx. 59 mm circumference; 19 mm diameter). Weighs approx. .05 oz or 2g. No box. From a smoke-free home. *I do not know if this ring is 100% nickel-free.