The US government’s official phaseout of the penny has prompted a surge of online sales listing rolls of one-cent coins for hundreds or even thousands of dollars — but don’t be fooled, an expert says.

Inflated prices popping up on sites like eBay and Etsy are “100%” the result of opportunists exploiting public confusion about the end of the penny, John Feigenbaum, executive director of the Professional Numismatists Guild and CEO of Whitman Publishing, told The Post on Friday.

“Whenever there are stories about coins, scammers come along and take advantage of the headlines,” he said.

“On Etsy, it’s not unusual to see a penny that’s not even worth a dollar being listed for $100,000. People try it on eBay, too. Nobody is policing what people charge.”

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