New vintage 925 trefoil pendant necklace

New vintage 925 trefoil pendant necklace Pendant: Pretty delicate trefoil or 3 leaf clover with Rustic handmade details. Reminds me of filigree. 10x11 mm 5 mm bail arrow shaped detail with diamond cut 6 mm round black bead? (Acrylic? Not stone?) Diamond like cuts on 3 curves frame. Mesh like Filigree inside curves. Simple bezel like setting holds round black bead? (Acrylic?) 3 prongs on reverse. Stamp on bail. Chain: Very fine dainty silver box chain with hallmarks. 16”, almost a full 1 mm thick New vintage c. 1980s. Genuine silver pendant and chain. Pendant Hallmark: “RAE” + “925” and Chain Hallmark: “(stylized) S” + “925” + “???” (“VDS” ???) on reverse. I thought these pieces were from Mexico! But I guess they’re from Italy! See similar necklaces with hallmarks.