Originally Posted by
mrossano
Measure the distance between the lens cell seating surfaces on either end of the shutter, using a hub micrometer. Compare the two shutters. If they haven't been screwed-with since manufacture, the measurements should be the same. The tolerances of late model Copal shutters are closer than your ability to measure, and much closer than the thickness of even the thinnest shims used by Rodenstock or Schneider.
To answer your original question, the change in position of the lettering means nothing.
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