Vintage genuine turquoise stone 925 sterling silver Chapal-Zenray size 6 ring

This is a rare ring to find for sale! Chapal-Zenray made a variety of turquoise ring designs and this particular one there aren’t many of. 925 sterling silver solid ring with genuine natural turquoise stone, purchased new by my grandma in the 70s. Stamped 925 NF, which is a Chapal-Zenray brand stamp. Size 6. Bundle to save!