I did a bit of research Fred. The bug that I have is a Lionel J-36 made for the military WW-2. It is a copy of the Vibraplex #6 lightning Bug. Note the rivets on the left side that held the missing ID tag.
http://media8.dropshots.com/photos/8...314/031022.jpg
http://media6.dropshots.com/photos/8...317/030204.jpg