counterfeited >> /ˈkaʊntəfɪt/
Definition: [verb] Imitate fraudulently.
Example: my signature is extremely hard to counterfeit
Definition: [noun] A fraudulent imitation of something else.
Example: he knew the tapes to be counterfeits
Definition: [adjective] Made in exact imitation of something valuable with the intention to deceive or defraud.
Example: counterfeit £10 notes