CU-10c-1966-03 Cud

Description

Third cud documented on the 1966 Roosevelt Dime, CU-10c-1966-03 records a rim break from the second year of clad coinage production, when United States dimes transitioned from 90% silver to the copper-nickel clad composition mandated by the Coinage Act of 1965. The 1966 date holds unique status in modern dime history: no mintmarks appeared on any 1966 coins regardless of production facility, a deliberate omission implemented from 1965 through 1967 to discourage hoarding during the silver-to-clad transition. This means CU-10c-1966-03 cannot be attributed to a specific mint by mintmark alone — Philadelphia, Denver, and San Francisco all struck 1966 dimes without identifying marks. Total 1966 dime production reached 1,382,734,540 pieces across all three facilities. Cuds on clad coins differ metallurgically from their silver predecessors because the layered copper-nickel bonding can influence fracture propagation patterns, with cracks sometimes following the boundary between the copper core and nickel-alloy cladding. With no additional cross-references beyond the Cuds on Coins primary designation, CU-10c-1966-03 stands as part of the systematic documentation of die failures during the tumultuous mid-1960s transition period that fundamentally transformed United States coinage composition and collecting practices.

Attribution History

• Discovered by Sullivan Numismatics on eBay
• Expert attribution by Cuds on Coins

External References