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Is there a reliable way to differentiate between white metal and aluminum

truebloodtrueblood Posts: 609 ✭✭✭✭
edited June 12, 2021 9:18PM in U.S. Coin Forum

when a classic token (prior to 1899) is encased in a prong holder?

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    OldhoopsterOldhoopster Posts: 2,930 ✭✭✭✭✭

    I would think a handheld XRF unit would work.

    I'm not positive but I believe that aluminum from the Hall process shouldn't have many impurities. White metal can be a mix of a lot of metals, but seeing a lot of tin and zinc would be the giveaway.

    Member of the ANA since 1982
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    PerryHallPerryHall Posts: 45,444 ✭✭✭✭✭

    The easiest way to tell is to check what is stated on the slab label. ;)

    Worry is the interest you pay on a debt you may not owe.

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    AercusAercus Posts: 381 ✭✭✭✭

    How big is the token? There may be a substantial weight difference.

    Aercus Numismatics - Certified coins for sale

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