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OK Error Experts Riddle me this 1970 &1971 Philippine 25 Sentimos 3.902 & 5.034 Grams

SmittysSmittys Posts: 9,877 ✭✭✭✭✭
edited June 22, 2017 12:43PM in U.S. Coin Forum

Correct weight is 4.00 Grams so top one is with margin of error. However bottom one is overweight and different color.
Since we made Philippine coins which Planchet is bottom struck on or ???



https://www.ebay.com/str/christyscoins

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    FredWeinbergFredWeinberg Posts: 6,031 ✭✭✭✭✭

    Well, to start with, the weight of your 2nd coin (the darker one)
    is the weight of a US Nickel.

    Both Denver and Philadelphia struck Philippine 25 Sentimos
    coins in 1970. The diameter of the 25 Sentimos coin is 21 mm.

    The diameter of the US Nickel is 21.21 - so for it to fit into
    the 21 mm collar, it must have been a type 1 Blank, which
    is just smaller than a Type 2 Planchet.

    That's what I surmise from the info you've provided.

    Retired Collector & Dealer in Major Mint Error Coins & Currency since the 1960's.Co-Author of Whitman's "100 Greatest U.S. Mint Error Coins", and the Error Coin Encyclopedia, Vols., III & IV. Retired Authenticator for Major Mint Errors for PCGS. A 50+ Year PNG Member.A full-time numismatist since 1972, retired in 2022.
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    CaptHenwayCaptHenway Posts: 34,029 ✭✭✭✭✭

    I agree with Fred. The standard weight on the 25 Sentimos for many years was 4 grams, so the 5 gram one is the outlier. A U.S. nickel planchet is the logical explanation.

    The 1970 25 Sentimos were struck at both Denver and San Francisco, so it could have been either one.

    TD

    Numismatist. 54 year member ANA. Former ANA Senior Authenticator. Winner of four ANA Heath Literary Awards; three Wayte and Olga Raymond Literary Awards; Numismatist of the Year Award 2009, and ANA Lifetime Achievement Award 2020. Also won the PNG's Robert Friedberg Award for "The Enigmatic Lincoln Cents of 1922," Available now from Whitman or Amazon.
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    rickoricko Posts: 98,724 ✭✭✭✭✭

    Unique find... a good error coin for those who collect that type...Cheers, RickO

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