Category: EzStamp
Watch this video to see how to spot the differences in these seemingly identical stamps. Using EzStamp will show you how to identify & see if varieties exist and what their value is.
The PSE Centering Scale Reproduced with permission. http://gradingmatters.com Gem Four visually equal margins. Even after a careful examination, it will be impossible to pick a margin smaller than the other three. Superb A Superb stamp will be extremely well centered, and it may take up to ten seconds to ascertain that the stamp is not […]
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