This vintage Bell System Western Electric telephone 7D buzzer part was used on 1A2 systems and others. It is a collectible item that was manufactured in the United States before 1940. The brand of the item is Western Electric and it has not been modified. There is no California Prop 65 Warning associated with it. This item is perfect for collectors of vintage telephones and phone parts. It has historical significance and is a great addition to any collection. Please note that the item's condition is not mentioned in this description.