I don't remember where this one came from, but I stumbled into it somewhere during the Raleigh show:
It's just a short little guy, and when I first saw it I thought it might be an Eversharp in the unusual checkerboard pattern. But this one's a little different:
"Radio Perpetual Pencil." Late teens to early twenties, I should think, but I haven't been able to track anything down yet on this one. I haven't given up yet, because of one little word on the opposite side:
If it's patented, there's got to be more out there!