Wrongway,
There is one on ebay now for $65 plus $128 for shipping does not look that bad, I think it will clean up good
https://www.ebay.com/sch/i.html?_from=R40&_trksid=p2380057.m570.l1313&_nkw=1963+grand+prix+bumper&_sacat=0
The reverse lights I just got it a couple of days ago from ebay.. I have not received it yet... I do have one I bought a few months ago that I will most likely not use if you want it... (not a pair just 1 side), I also have a few of the front parking lights I have been buying from ebay to get a set that was better than mine.. I will be removing mine and use the ones that look better.
This place currently have a set as well they wanted $160 plus shipping (but they do not offer online ordering you have to call in to order)
760 361-3242
Frank's Pontiac Parts
& Auto Dismantling
75992 Baseline Road
Twentynine Palms, CA 92277
I really need fender patch panels if you come across either fender please let me know...
Those are worth a lot of money, list it on ebay if you have no use for it...