Purchased in 1970s in Arizona, turquoise stone set in silver scallops with carved leaves. Size 5. Excellent vintage condition. Vintage Turquoise Nickel-free Jewelry, Vintage Nickel-free Turquoise Jewelry, Vintage Turquoise Stamped Jewelry, Vintage Stamped Turquoise Jewelry, Vintage Turquoise Concho Ring, Vintage Adjustable Green Turquoise Ring, Vintage Stamped Blue Jewelry, Vintage Adjustable Nickel-free Turquoise Ring, Adjustable Nickel-free Vintage Turquoise Ring