Long matte Silver-tone 4-strand charm Necklace measures 37” long (+ key pendant)

Edgy 4-strand matte silver-tone necklace with various charms. Each of the 4 chains hangs from a bar and each chain is different from the other and different from the chain the lobster clasp is attached to. Charms are fleur de lis, heart, key, 2 discs and 2 keys. Please review all photos. Not sure of the type of metal. Shortest chain measures 20”, followed by 26”, 30” and 37”.