What are these center caps and wheels?

What about these eBay auctions:

CHRYSLER OEM Wheel-Center Cap Hub 3699011 | eBay

Says more than 10 available (new) @ $101.07 each.........

Or this used one with a buy it now of price of $5:

One Mopar, Rally wheel center cap. # 3699011 2 49021 Used. | eBay