A Never Before Seen Optical Trick Creates Ultra-Secure Cash

Discussion in 'other security issues & news' started by lotuseclat79, Dec 13, 2011.

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  1. lotuseclat79

    lotuseclat79 Registered Member

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  2. Baserk

    Baserk Registered Member

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    Beautiful technology. Thanks for posting Tom.
    I guess, those nickel stamps will be worth a LOT to quite a few folks.
     
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