Blue heart silver screwback earrings knots curves & amber stone 4 pair VINTAGE

This is for 3 used pair of vintage earrings. They all need cleaning. It includes the following: Sterling Silver hearts with a blue stone - marked "silver mexico" - screwback silver knots - no markings - screwback (I'd be shocked if they are not silver!)l1/2 round - no markings - screwback amber pearl - no markings - clip on This item is cross listed so act fast!