Police are looking for a man who used a counterfeit $50 coin to make a purchase at an Urbandale gas station in February.

The gold-colored coin, featuring two eagles and inscribed with the words "1 OZ. FINE GOLD — 50 DOLLARS," was used to purchase $25 worth of merchandise on Feb. 21 from the Casey’s General Store on 111th Street, said Capt. Kent Knopf with the Urbandale Police Department.

The suspect then received $25 in change back from the cashier, Knopf said. An employee from the gas station was told the coin was fake after taking the piece to a coin shop the next day, he said.

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"I've never seen anything like that," he said, adding that counterfeit paper money is typically much more common.

The suspect was last seen driving a blue Dodge Dart, police said in a news release. The department asks anyone with information on the man to email Detective Andy Morlan at amorlan@urbandale.org.

"It's unusual that someone would try to pass a fake coin," said Knopf, who added that some people would do anything to avoid paying.

Register reporter Anna Spoerre can be contacted at aspoerre@dmreg.com, 515-284-8387 or on Twitter at @annaspoerre.