BEN FRANKLIN 1 Cent Stamp-BlueGreen-EXTREMELY RARE ERROR !! The unprinted area across face makes it seem like he is looking at you !! Looking under microscope you can see it was due to loose paper fibers on the paper at time of die press. you can see the pattern of the ones left that look almost like scratches but are fibers same all over. This was sent to England from Hartford CT in 1908, and then ended up back in Hartford CT some how.
One in a 11 billion chance error of him looking at you!