Vintage Gold Toned Train Whistle Necklace

Train Whistle Necklace is a unique piece! Gold toned chain and textured Train whistle Style charm, (I didn't test the whistle and don't know if it works) Minor surface scratches throughout, piece is lightweight and comes with screw barrel closure See listing for measurement I don't know a lot about this necklace other than it was purchased by my grandma and found prior to her estate sale. Questions? Please ask prior to purchase.