Copper Type Coins - Regular Strikes

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HALF CENTS (1793-1857)

LARGE CENTS (1793-1857)


TWO CENTS (1864-1873)

Classification of copper and its alloys

  • Family Principal - alloying element - UNS numbers
    • Copper alloys, brass Zinc (Zn) C1xxxx–C4xxxx,C66400–C69800
    • Phosphor bronzes Tin (Sn) C5xxxx
    • Aluminium bronzes Aluminium (Al) C60600–C64200
    • Silicon bronzes Silicon (Si) C64700–C66100
    • Copper nickel, nickel silvers Nickel (Ni) C7xxxx