See, nobody needs me.
It has to be between an 89 and 92 251/253 Checkmate Convincer. If you're interested, have him send you the HIN as said. It has to be there during those years.
I bet the Checkmate guys on their forum could tell you the year and model. The only difference I know of visually is the number of those little porthole windows. But that may have also been a model difference, instead of a year difference.
I think Fund is spot-on on the condition of the package!:sifone: