I wouldn't consider this an error worth designating. In extreme cases, however, they will annotate it on the slab. Unfortunately, this type of...
For an example of how wrong the PCGS and NGC guides were for Franklins, take a look at this sale: In 2015, the PCGS guide for 1963 MS-66 FBL was...
Are price guides descriptive, or prescriptive? That is, does the price guide describe the state of the market over the recent past? Or does a...
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