SPACE TIME CONTINUUM Magnetic Sphere Unique Shape Monnaie Argent 2$ Cook Islands 2015
Amazing first coin in the world with a unique shape and a removable magnetic sphere to commemorate the discovery of the continuum space time. The coin has been minted in a new "Deepest Power Technology" and it depicts the formula of the mathematician Hermann Minkowski. Mintage 1.500 pcs worldwide.
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79,95 €