I recently lucked into an E-body convertible top switch. It's used but I'd rate it "nearly NOS" in condition. It was pulled from a snow-country wrecking yard in the '70s and has been sitting since. The action on it feels like a new switch, though there is a little play on-center, which I think is normal. There's virtually no wear on the handle, and the back side of it is perfect (yes, it's the four-hole mount, before anyone asks). The terminals look like it's never been connected as the brass isn't even scratched. Probably plugged in at the factory, unplugged when pulled, and never connected again. The paint dot on the handle is red, which I believe makes it a '71; I've seen white and light blue as well.
Passenger side of switch is marked:
UP B DN
2947406
36033
Driver's side is marked:
350 0
There's only one listed on there now in any condition (it's NOS), and that guy wants $650! That seems insane to me. I'm a reasonable guy. I'm not necessarily going to sell it, but I'm curious as to its value.