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Pour la simple mention «Proof Like» sur le certificat, les gens sont prêts à payer près de 7000$ US en plus par rapport à un certificat n'en faisant pas mention:
The "prooflike" part of the grade on this coin means that the coin was likely one of the first coins struck from fresh, new dies and the surfaces of the die left the coin appearing more like a proof coin than a mint state coin. The difference between the two is rather obvious even to those not used to looking for the difference. These are very scarce, thus commanding a higher premium on the market.