There is a lot more in the archives about this chip.
Paulson confirmed that the chips did indeed have hand painted edge spots and were genuine.
The reason the cross hatching does not line up is simple - someone removed the inlay to have a look underneath and then restuck the inlay with the wrong orientation.
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Well that's interesting. Genuine chips with painted on spots.

Can someone please help? Is this a real chip and not a fake, but it has been labeled as a fake because of the inlay being removed and re-glued, and the assumption that painted on spots are "fake". Or is there some other reason it's been determined to be a fake?

Interesting thread all the way.