Counterfeit
A counterfeit, facsimile, or knockoff was the imitation of an item with the intent of passing it off as the real thing. It often involved fake currency. Such activity was generally considered a crime.

In 2024, the January 21 issue of the Los Angeles Times included an article about counterfeit UHC cards. ()

Harry Mudd's police record in 2266 included his purchase of a space vessel with counterfeit currency. ()

Many unscrupulous individuals had produced fabrications of the Shroud of the Sword over the years, claiming they were authentic. ()

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Crimes