Dime KM#195a COPPER-NICKEL CLAD COPPER 17.9 mm. 2.2700 g. Designer: John R. Sinnock Notes: The 1979-S and 1981-S Type II proofs have clearer mint marks than the Type I proofs of those years. On the 1982 no-mint-mark variety, the mint mark was inadvertently left off.