PSA has a card graded as Bryn Front, Byrn Back:
https://www.psacard.com/auctionprice...uction/2224617
You might be able to find it on Worthpoint and confirm that some sheets in the interim of the correction were printed correctly on one side, but with old stock for the other side.
I didn't see any on COMC, but Rich Klein can check the sold out ones for you if you ask.