Up for sale is a lot of Silver Tone Aviation Brooch Pins. The pin with the cloud is 1.75"x2", The world is 1.75"x1.5", the pin with lightning is 2.75"x1.5" and has a broken link, the dangling city is 1.75"x2", the plane is 2.25"x2.5" and the plane with the tail is 3"x2".
