UDC-5c-2005P-01 Unusual Die Crack

Description

Documented by the Cuds on Coins attribution service, UDC-5c-2005P-01 records a remarkable rim-to-rim die crack on the 2005-P Jefferson nickel featuring the "American Bison" reverse from the Westward Journey series. The designation follows the standard naming convention: UDC for unusual die crack, 5c for the nickel denomination, 2005P for the Philadelphia Mint date, and 01 indicating the first cataloged unusual die crack for this issue. What elevates this variety from an ordinary die crack to the "unusual" classification is its extraordinary extent — the crack traverses the entire die from one rim to the other, beginning along the lower portion of Jefferson's bust on the obverse and terminating at the opposite rim under the numeral 5 in the date. Rim-to-rim die cracks represent advanced structural failure where the die steel has fractured completely across its face, creating a continuous raised line on struck coins that spans the full diameter of the planchet. The 2005-P "American Bison" nickel was part of the Westward Journey series commemorating the Lewis and Clark expedition, with Joe Fitzgerald's reverse design depicting a buffalo reminiscent of James Earle Fraser's classic Buffalo nickel. Philadelphia struck millions of these nickels during 2005, and the intensive production subjected dies to enormous numbers of strikes that could propagate stress fractures across the full die face. The crack path along Jefferson's bust provides a portrait-intersecting diagnostic that is relatively conspicuous at lower magnification, as the raised line disrupts the smooth contours of the bust truncation. Collectors can identify this variety without high magnification by tilting the coin under direct light to catch the raised ridge running from rim to rim through the lower bust area.

Attribution History

• Discovered by Jim Karnes
• Expert attribution by Cuds on Coins

External References