Partial Back-to-Face Offset Errors: When Wet Ink Transfers Between Sheets and Creates Ghost Images
Partial back-to-face offset errors rank among the most visually dramatic printing mistakes in modern U.S. currency production, producing ghostly mirror images that haunt the face of a banknote. Understanding exactly how these errors happen, which series produced the most collectible examples, and how to authenticate them can transform how you approach the error note market.
Read More →