Maybe just get a bit closer to the coin and post the photos full size image. I can't tell with the tiny photos.
It is the way they are classified and labelled by PCGS and ICG. Not all the 94's are FS.
Actually the 94' and 97' both receive the FS designation.
It's not machine doubling, because of the tilted die, when the planchet is struck and pressure is applied the die face moves at a slight angle, in...
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