There is no real answer to that question. Chrysler never kept track of that info. Your only hope is registries like Galen Govier's to come up with a number of "known" examples. Yours is probably one of one
.....like you read in the magazines....
...and unless you're planing on restoring it back to stock 100% and have the documentation to back it up....it really doesn't matter how it looked when new.
I've been a huge follower of 71 Cudas and I've never seen one in that combination.