LDB34-1957-001C BIE Die Break

Description

Among the most recognizable and widely collected die break varieties in the Lincoln wheat cent series, BIE die breaks feature a distinctive raised vertical bar between the letters B and E of LIBERTY on the obverse. LDB34-1957-001C documents one such break on a 1957 Philadelphia Lincoln wheat cent, with the suffix "C" indicating that the die crack at the bottom of the B has progressed to become a chip — a stage where die metal has actually broken away rather than merely cracking. The catalog code parses as LDB34 for the BIE die break classification within the Cuds on Coins system, 1957 for the date, and 001C for the first documented BIE with a chip stage for this issue. BIE die breaks originate from die deterioration in the recessed area between the incuse B and E letters in the die face. As the die steel fatigues from repeated striking, a crack develops in the narrow bridge of metal between these two letters. When the crack widens sufficiently, the gap fills with planchet metal during striking, creating a raised vertical bar on the finished coin that visually resembles the letter "I" inserted between B and E — hence the colloquial name "BIE cent." The progression from crack to chip indicates advanced die deterioration, where material has physically separated from the die surface rather than simply fracturing in place. Philadelphia struck approximately 282.5 million wheat cents in 1957, the penultimate year of the wheat reverse design, and BIE varieties are found across numerous dates from the 1940s and 1950s when die steel and production speeds combined to make this specific failure mode relatively common. Collectors prize BIE cents as affordable and visually dramatic die varieties, and the chip stage documented here represents a more advanced state of deterioration that typically produces a wider or more prominent raised bar than a simple crack-stage BIE.

External References