Vintage Sweetheart Necklace [1940s~] Heart Shaped Top

This item was given as a gift by couples during wartime, from the early 1900s through World War II. This small piece has a subtle aged look. The top is likely a plated alloy, and the chain is brass. As it is an old piece, there may be some tarnish and minor scratches. Please review the photos and understand the characteristics of vintage items before purchasing. (A) Chain length: 50cm (B) Top vertical (maximum): (top vertical) 18mm