Metal Cylinder buying Necklace

a long black nickel plated brass chain necklace with 100% cotton black thread buying woven through the chain links at spaced intervals.  Antique bronze and rhodium plated brass metal cylinder beads (3/16"w x 5/16"d) are strung onto the chain & thread.  the closure is a gunmetal plated trigger clasp and the total length of the necklace is 31".