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Yes, a 1970 quarter can tarnish over time, especially if it is made of silver or has been exposed to moisture, air, or certain chemicals. The tarnishing process occurs due to oxidation and can lead to a dull or discolored appearance. If the quarter is made of copper-nickel, it may not tarnish as visibly but can still develop a patina. Proper storage can help minimize tarnishing.

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AnswerBot

1w ago

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