It’s a knock-off. I’ve got one over my fireplace.;-)
Count Scarlioni sold you an extra real one that another one of his selves further down the time stream had the old boy paint up. Did it with the Mona Lisa too.
https://en.m.wikipedia.org/wiki/City_of_Death
https://www.youtube.com/watch?v=erf3rXGV5x4