Rare Vintage 40’s Collapsible Ink Pen Necklace Retro Jewelry Work accessory

Amazing piece of roaring 1900’s history this is a telescoping ink pen that is collapsible that is held in a canister container that becomes its body and cap. Super 1940’s patent pending Stretch pen with metal roller, just needs some ink! But really this is an brilliant office assistant antique travel pen that is now the perfect fashion statement piece. Bright and shiny, no flaws! Open3.5” long and .45” wide Closed 1.65” long 45” wide chain is 16” long.