Dang it - I put the wrong link. It was supposed to go to a comparison of the handwritten date on the Nordyke’s BCs and this one. You could tell it was not only written by the same hand, but parts of the three dates were replicates. It was very odd.
senior’s FOIA file...maybe some have seen already
http://www.scribd.com/doc/54015762/Barack-Hussein-Obama-Sr-Immigration-File