I have a similar one a friend gave me. It was in his 66 Lemans. I am going to put it on Ebay shortly. Only way to find out is to do it. I would think it is not worth much, and I don't expect much.
Underdash AC box
What is an underdash AC box worth these days. My 67 chevelle had one on it when i purchased it but i am planning on installing a Vintage Air style kit so it is of no use to me anymore. I am considering putting it on Ebay just wondering if it would be worth enough to sell. I assume it was a dealer installed option not really sure. I searched Ebay already but couldn't seem to find one. Here is a picture i stole from somebody on this site with the same AC box in a another chevelle but mine is the exact same unit in great condition.
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