Good luck with your search but even nice cores to be restored are hard to find. Most of these have dings and bruises because its aluminum. I bought 3 cars to get the pieces i wanted. Good thing is these can be straightened and repolished.There were 2 sides on ebay restored about 250 a piece.
pm sentdrive48 Are you still looking for grill surronds?
I belive I have three complete 66 grills not sure of cond. but I will look if your need
Just let me know I can send you pics