I don't think the one on Ebay is an NOS one as I heard originals had 4 MORE holes in the vent caps not JUST one like the repros had.
Spot on fuelishnsilly
Mike
an original from a first gen Charger survivor (red cap) versus the ebay claimed nos yellow cap. (hate posting this, afraid a future seller may modify the cap with five holes but if the do there's something else on the cap (and battery) they can't modify that I'm not telling or posting......so there