BEP printing errors – Page 2

Insufficient Feed Errors on Modern Federal Reserve Notes: When the Sheet Enters the Press Misaligned and Creates a Dramatic Shift

June 15, 2026 by

Insufficient feed errors rank among the most visually spectacular mistakes the Bureau of Engraving and Printing can produce, leaving collectors with notes that look as though the design was applied to entirely the wrong piece of paper. This guide breaks down exactly how these errors happen, which series produce the most dramatic examples, and how to evaluate and value them in today’s market.

Obstruction Errors: When Foreign Objects Cause Missing Print Areas and What These Notes Sell For

June 15, 2026 by

Obstruction errors rank among the most visually dramatic mistakes to ever leave a Bureau of Engraving and Printing press, created when debris, tape, or folded paper blocks ink from reaching the substrate. Understanding what causes these striking anomalies, how to authenticate them, and what the market actually pays separates savvy collectors from those who overpay or miss a bargain.

Cutting Errors That Create Double Denomination Pairs: When Two Different Notes Share a Sheet

June 15, 2026 by

Double denomination cutting errors rank among the most spectacular and rarest misprints in all of United States paper money, occurring when a single sheet inadvertently combines notes of two different face values before cutting. Understanding how these freaks of the printing press happened, which examples are documented, and what they command at auction is essential knowledge for any serious error note collector.

Federal Reserve Notes Series 2009 $100: The Redesigned Franklin That Waited Four Years to Reach Your Wallet

June 15, 2026 by

The Series 2009 $100 Federal Reserve Note carries one of the most remarkable production histories in modern US currency, plagued by a costly printing defect that forced the Bureau of Engraving and Printing to quarantine over one billion notes. Understanding this saga helps collectors identify the early mule varieties, star replacements, and first-run issues that make this series genuinely fascinating.

Inverted Back Errors: How Upside-Down Printing Happens and What These Notes Are Worth

June 15, 2026 by

Inverted back errors rank among the most visually dramatic mistakes in U.S. currency production, created when a sheet of paper passes through the press a second time in the wrong orientation. Understanding exactly how these errors occur, which series produced the most collectible examples, and what they command at auction can mean the difference between recognizing a fortune and passing one by.

Repeated District Letter Errors on Federal Reserve Notes: When the FRB Prefix Appears Twice in the Serial Number Block

June 15, 2026 by

Among the rarest and most visually striking error notes in modern U.S. currency collecting, repeated district letter errors occur when the Federal Reserve Bank prefix letter is inadvertently duplicated within the serial number block. This deep-dive explores how these errors happen, which series and districts produce the most collectible examples, and what collectors should know before adding one to their portfolio.

Obstruction Foldover Errors on Series 1977 Federal Reserve Notes: When Paper Debris Causes Blank Sections in the Portrait Area

June 15, 2026 by

Obstruction foldover errors on Series 1977 Federal Reserve Notes rank among the most visually dramatic printing mistakes in modern US currency, creating ghostly blank voids where presidential portraits should appear. This guide breaks down exactly how these errors occur, which 1977 districts and denominations are most collectible, and what separates a mid-grade curiosity from a four-figure certified specimen.

Fake Overprint Errors: How Counterfeit Error Notes Are Made and How to Detect Them Before Buying

June 15, 2026 by

Counterfeit error notes are flooding the collector market, with fake misaligned overprints, shifted seals, and simulated ink smears deceiving even experienced buyers. This guide breaks down exactly how these fakes are made, what authentic printing errors actually look like, and the specific tests you can run before spending serious money on any error note.