Comment Re:How about "hoaxes" later found to be authentic (Score 2, Interesting) 496
Sorry, neither have been proven to be true.
Though there is evidence that vikings found vinland before columbus the authenticity of the map has still not been proven.
And for paraiba:
http://www.badarchaeology.net/data/ooparts/paraiba.php
Or if i'm wrong, please provide source material that proves your claim.