Before I continue, below are links showing hundreds of examples of forged Mickey Mantle baseballs, photos, etc. found on Ebay (the most dangerous place to buy autographs if you're a casual collector or impulse buyer).
So when does an autographed Mickey Mantle baseball sell for $159.50?
When it's an obvious forgery.
Check out this forged Mickey Mantle baseball sold by Ebay seller Grannyshodgepodge for a whopping $159.50.
Someone wasted $159.50 for this crap.