United States 1934A — Reverse Changeover Mule, 20 Dollars Richmond, Serials E17813376A and E17813377A (Friedberg 2055-Em, EA Block)
The Series 1934A 20 Dollars Federal Reserve Note from the Richmond Federal Reserve District, cataloged as Friedberg 2055-Em, is certified as a Reverse Changeover Mule and represents the concluding position in a documented consecutive serial boundary pairing. Reverse changeover mules arise when the Bureau of Engraving and Printing transitions between reverse plate configurations within an active production sequence, resulting in adjacent serial numbers being printed from differing reverse plate states. This example, Serial E17813376A, precedes Serial E17813377A in strict consecutive order. ... Read more →