Vintage artisan crafted square rainbow opal and pale pink mother of pearl silver inlay stud earrings. Reverse side stamped with artisan hallmark "GK", new sterling silver butterfly friction back stamped "925". Earrings measure ~3/4" (18mm) top to bottom and ~1/4" (6mm) side to side at widest. Total weight of pair including backs 2.8g. Condition is "Pre-owned" "as-is" see all listing photos for condition details. Shipped with USPS Ground Advantage or Priority.