Rare French iron old key key ring necklace pendant W900

The old iron key purchased in France is very thick and the condition is like old iron. Has the PARIS mark. It may rust due to climate and storage, so just oil it frequently and maintain it. Can be used as a keychain or necklace pendant! 8x2.8 cm. I also have a DAMN GOOD VINTAGE design gallery, where there are 2,000 kinds of products, please click to read: https://www.pinkoi.com/store/damngoodvintage Due to the age of antique jewelry, please store it in a zipper bag after use. Do not wear it for showering, swimming and other water activities. Normal use, long life.