'65 Barracuda back-up lens unique?

I was just about to order a pair of the cheap Mexican red tail light lenses (only need one). However, this AM I found a box of loose parts that I found in the trunk of the Formula S when I bought it about ten years ago. In the box was a pretty decent spare red tail light lens (just some minor spder webbing). I consider it my lucky day. Now it won't be quite so painful to order a pair of repro back-up light lenses for almost $100.00 each from Classic. I guess they offer coupon discounts all the time.
I purchased a set of lenses from Mexico and have no complaints. I've heard s lot of negative comments but mine look good, or at least better than what I had before.