Quote:
...caliper parallel to the reeding...
I always have measured my coins with the calipers perpendicular to the reeds and this was the case with the measurements initially done on this
ASE.
Additionally, to ensure accurate repeatability I checked the diameter of a 2014 D Roosy dime with these same calipers also used on the
ASE and it came back to be 17.90 mm: an exact match according to -
http://www.coincommunity.com/us_dim...oosevelt.aspThe 'valley between the reeding' comment, however, is something to be aware of in case one accidentally measures it this way and receives erroneous diameter results.
Now, I'm back to square one with an
ASE weight that is allegedly within tolerances but with a diameter being 2.4% too low compared to the published US mint value.
So what would be the next investigative step to nail down this sucker since I'm unsure if a SG machine, for example, would reveal any significantly different results leading one to conclude that this coin is a counterfeit?