Okay, let's make this a bit more interesting. I've go a $10 scratch-it to the first person that takes the bet that says this thing is a Greenfield! Not because I'm particularly certain about this claim, I'm just trying to have a bit of fun
The thing has a few Greenfield identifiers. Speculation is that it is an example of a predecessor to the xl5 from the mid seventies that suffered spectacular market failure. And one can imagine why in that I can't see it being much cheaper to build than a tractor model. Prototype? Maybe but if I'd designed the thing and chosen not to put it into production I'd part it out or hang onto it.
Among the things that make me doubt my own claim is the lack of previous identification and that there are no patents related to it. There seem to be patents relating to pretty much everything else he designed.
Game on?
Cheers,
