Barracuda spare back glass storage

So years ago I'm negotiating for my wife's 66 Barracuda. Actually from a member LOL I say that in jest because he joined the Forum with some sarcastic name like junkie fish and was a total Chevy guy. He only joined to sell the car and we haven't seen him since. Anyways it was about that time that that episode of Desert Rats was on and broke the rear glass and talked about it being worth $2, 000 LOL well during our negotiation he reminded me that that rear glass was worth $2, 000 LOL when I finally got myself up off the floor I offered him double his asking price in rear windows...
Of course his answer was no...
when I informed him of how much he had paid for the car and that I was not going to give him that much of a profit he was bewildered. After we'd finally made the deal I told him a good idea was not to leave the receipt for what you paid for it in the glove box...
so where is this 66 Barracuda now.