[LexBaird]

My theory? He had a client who saw the first work and offered him money to make a copy. Leo then said, "Sure. I got this other primed panel with nothing but a sketch on it. I'll just paint over it with a composition I already worked out, and turn a few quick ducats."

[Republicanprofessor]

Not a bad theory. Now, to prove it, you'd have to read his journals, with his backwards writing in Italian, and interpret it correctly, and back it up with visuals, and present it at a conference or publish it through a refereed journal or...

Just propose a theory on FR. I like that system the best, and, you know what, I think more people read it and care than about the scholarly *$&#.