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  1. KarlB
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    Fibonacci numbers - Who collect Fibonacci numbers ? - My first one 1$ 00000610

    Actually, very nice. Fibonacci closely matches up with the logarithmic spiral. The logarithmic spiral is found in the Universe with the Spiral...
    Post by: KarlB, Oct 4, 2015 in forum: Paper Money
  2. KarlB
    Post

    My son learning to use the Red Book

    Any thoughts on soaking copper coins in WD40?
    Post by: KarlB, Sep 10, 2015 in forum: Coin Chat
  3. KarlB
    Post

    Don't toss your no-date Buffalos!

    When a planchet is struck, the pressure from the two dies coming together causes the metal to 'flow' from low to high (high to low on the die):...
    Post by: KarlB, Aug 23, 2015 in forum: Coin Chat
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