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1970 Washington Quarter Planchet error ??

DollarhunterDollarhunter Posts: 217
in U.S. Coin Forum
Hello, it has been some time since I checked in. Bought a bag of coins and found a 1970 Washington Quarter. It is about 3/4 the thickness of a regular quarter planchet and weights 4.1 grs. The coin is weak around the edges and the letter/date are not complete.

A gentleman at a local coin shop suggested it was stuck on a dime or nickel planchet. As the weight is not correct for either of those, does anyone have another suggestion.

Thanks for the help

Comments

  • CaptHenwayCaptHenway Posts: 32,711 ✭✭✭✭✭
    There was a large batch made on quarter-diameter planchets accidentally punched from a coil of dime-thickness stock.

    IIRC, they sell for about $50 retail if nice.

    TD
    Numismatist. 50 year member ANA. Winner of four ANA Heath Literary Awards; three Wayte and Olga Raymond Literary Awards; Numismatist of the Year Award 2009, and Lifetime Achievement Award 2020. Winner numerous NLG Literary Awards.
  • goodmoney4badmoneygoodmoney4badmoney Posts: 1,298 ✭✭✭✭✭
    It's struck on a dime-stock planchet. This is not a dime planchet however. It was a sheet of clad rolled to dime specification thickness but punched to the diameter for a quarter.
  • astroratastrorat Posts: 9,221 ✭✭✭✭✭
    Tom is correct.

    The dealer probably misspoke as it common with this type of error. It is struck on the wrong stock (thinner, but correct diameter), not the wrong blank/planchet which would be the incorrect thickness AND incorrect diameter).

    Lane

    Edited for spelling...
    Numismatist Ordinaire
    See http://www.doubledimes.com for a free online reference for US twenty-cent pieces
  • SmallSizedGuySmallSizedGuy Posts: 503 ✭✭✭
    When I worked at a grocery store in the 1970s I found about a half dozen. They appear to be poorly struck due to the reduced thickness of the planchet.
    Jim Hodgson



    Collector of US Small Size currency, Atlanta FRNs, and Georgia nationals since 1977. Researcher of small size US type - seeking serial number data for all FRN star notes, Series 1928 to 1934-D. Life member SPMC.



  • DollarhunterDollarhunter Posts: 217
    Thank you all. As it cost me about a quarter, it was a interesting find.
  • ProofArtworkonCircsProofArtworkonCircs Posts: 4,223 ✭
    <<There was a large batch made on quarter-diameter planchets accidentally punched from a coil of dime-thickness stock.

    IIRC, they sell for about $50 retail if nice.

    TD >>

    These had a "D" mint mark, although the mistake in rolling was done in San Francisco. Does the OP's coin have a "D" mint mark?

  • ProofArtworkonCircsProofArtworkonCircs Posts: 4,223 ✭
    (Diameter of quarter divided by diameter of dime) squared times weight of dime = weight of thin quarter.

    {(24.3 mm diameter) (24.3) /(17.9) (17.9)} 2.27 grams = 4.18 grams
  • rickoricko Posts: 98,724 ✭✭✭✭✭
    Interesting... had not heard of these.... Cheers, RickO
  • ctf_error_coinsctf_error_coins Posts: 15,433 ✭✭✭✭✭
    I have found two of these myself, they really stand out.
  • DollarhunterDollarhunter Posts: 217
    Yes it is a 70 D

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