Looks like a oval badge for an Airstream. Never thought they had holes in there to attach them, but maybe this is for a vintage unit?! Though at 12", it's pretty big for an oval badge come to thing of it.
Computers manufactured by companies such as IBM, Compaq and millions of others are by far the most popular with about 70 million machines in use worldwide. Macintosh fans note that cockroaches are far more numerous than humans and that numbers alone do not denote a higher life form. -NY Times 11/91