1. The coin was made from steel clad copper nickel and was minted in West Germany. 2. The need for corrosion protection favors copper nickel cladding as the preferred alloy for the towers. 3. The Mint found that the copper nickel dollar was striking indistinctly, a problem not seen with the silver pieces. 4. Brass 1 and 5 centavos were issued in 1943, and with copper nickel composition sporadically from 1915 to 1958. 5. It decided on clad coinage, with copper nickel faces and a pure copper core, as the most desirable replacement material. 6. Circulation pieces were in copper nickel ; Congress also mandated 45, 000, 000 part-silver pieces be struck for collectors. 7. Once striking began, the Mint found that the copper nickel dollar was striking indistinctly, a problem not seen with the silver pieces. 8. A copper nickel line set was flown in with a manufacturer technical representative from the States and he provided technical direction on the repairs. 9. In 1890, Congress ended production of the three-cent piece, leaving the five-cent coin as the only one in copper nickel . 10. All silver pieces ( struck only at San Francisco ) are Type I; all three mints struck both Type I and Type II copper nickel pieces.
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