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The 1970 Philippines 25 sentimos shown above wass normally struck on a 70% copper, 18% zinc and 12% nickel planchet that weighed 4.0 grams. However, this coin was struck on a 3.1 gram, United States 1 cent planchet. This may have been an assisted or intentional error, but this must be weighed against the fact that the United States Mint was striking this coin type for the Philippine government at the Denver mint in 1970. This coin has been authenticated by NGC and is in the collection of Jim Zimmerman. |