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RE: Austrian Philharmonics 2011 and 2018 silver 1 oz coins
Both coins are in same design . But 2011 coin is looking some darker than 2018 coin. Is it lighting affect ?
Both coins are in same design . But 2011 coin is looking some darker than 2018 coin. Is it lighting affect ?
thank you spiritualpower, no that is called toning, it happens when silver is exposed to air and not put in capsules