Vintage Mexico Sterling Silver Clip Earrings Boho

Vintage sterling silver clip earrings made in Mexico. I think the blue dots are glass. I don’t think they are stone. Have some discoloration around the Filigree center decoration. Few tiny nicks and very small indents. Please zoom into pictures and assess condition for yourself. Screw back clips. Clips Mechanism works. These have been used and show signs of wear.