Quote Originally Posted by mike184 View Post

This one looks completely genuine to me, it has the correct back (4 notches) incl. the "mask" in compare to the other one,
which has an aftermarket display-back from Fareast with 6 notches (and the mask is missing).
I agree, Mike.
For those who didn't notice, they are faint, but this one has Rado ref. # markings also.