Missing District Letter Errors on Series 1988 Federal Reserve Notes: Notes That Escaped the BEP Without a Federal Reserve Bank Prefix
Among the rarest and most dramatic printing errors in modern Federal Reserve Note production, missing district letter errors on Series 1988 notes represent a genuine failure of quality control at the Bureau of Engraving and Printing. This guide explores what caused these errors, how to identify authentic examples, and what collectors should know before spending serious money on one.
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