I don't know about any replicas to commemorate a championship season, but I know the Danbury Mint does make a replica of every MLB & NFL stadium. Both current and past.

Stan M
New Jersey Lighthouse Lovers
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Harry Wishlist: Tinicum Rear Range, Miah Maull Shoal, Finns Point, Bergen Point, Cross Ledge, Old Ambrose Lightstation, Romer Shoal, Barnegat Lightship, Liberty Lightship.