The story from the seller is that he bought a piece of real estate and it had this out-building filled with old military/government radio stuff, and the GRiD systems represent a very small portion of the total volume of stuff.
I can tell you from seeing better pictures from the guy all of these items were stored in a out-building with no temperature/moisture control and the building was poorly sealed against environmental exposure, which he confirmed 100%. We all know what that means.
I offered him a reasonable amount for the lot (and by reasonable, I mean a 4 figure amount) for what is there and given the condition, and he said he'd have to do his research first, which put me off. Wasted about 8 hours trying to work out a deal with him. I then gave him a generous offer (reasonable offer for the items + 25%) for just a few pieces I wanted, and he seemed fairly uninterested. Another member here tried to get him to part with a few systems in the lot for a reasonable amount and he was also rebuffed, so he really does seem to want to get it all out as a lot.
I had alot of hope at the start, but between the conditions they were stored in, and the lack of interest from the seller, it looks like a dead end.