F/S Modded 87 T in TN

This ad's a blast from the past. Can anyone tell me where the seller got the 1 of 160 from? I didn't know there was an actual count on colors. Thanks for any info.
Well because from the info I had,that's what some people told me. As I was the one that bought it from Skoof. I believe what I said was "from the limited info I have about this color, its my understanding there were something like 150 to 200 cars in this color combination in 1987" How many would you say there were?
Not holding you personally responsible for the statement. Just trying to get an idea if there is any validity to it. If you'd care to tell me who told you that many were built, I'd love to hear the source for my own personal info. Feel free to PM me. Thanks.