Centering Standards for Small-Size Federal Reserve Notes: How PMG and PCGS Measure Margins and When Centering Caps a Grade
Centering is one of the most misunderstood grading criteria in paper money collecting, yet it can be the single factor that drops a crisp, bright note from a 67 to a 63. This guide breaks down exactly how PMG and PCGS Currency measure margins on small-size Federal Reserve Notes, which series are notorious for poor centering, and how savvy collectors can use this knowledge to find undervalued gems.
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