There was a thread not too long ago on KS, where someone bought a legit Vanilla from a well known breeder. This fellow then bred his Vanilla to I am guessing a normal, and when the eggs hatched, he could not pick out the Vanillas from the normals. So, as the thread goes, he emailed the breeder of his male, and the breeder could not pick out the Vanillas from the guys pics. So, if two people could not tell a Vanilla from a normal.......
Dave