Beautiful, vintage sterling silver Oil Derrick Charm from James Avery Craftsman.  This charm is not marked, as was typical for this piece.  Includes Avery hang tag, box, brochures and felt pouch.  Derrick measures 7/8" length, not including jump ring.  Excellent estate condition.  Please mail with questions. Free USPS Domestic First Class shipping.  Please consult your state's regulations regarding sales taxes.