Four men used counterfeit $20 bills to purchase $1,600 in gift cards at Suffolk County stores in December, police said.
Police said the four men bought $1,180 in cards at CVS at 2 East Jericho Tpke. in Huntington Station on Dec. 22, police said.
Two days later, two of the men purchased $420 in cards at Rite Aid at 325 Walt Whitman Rd. in Melville, police said.
Anyone with information about the men was asked to call Crime Stoppers at 800-220-8477.
Police released surveillance images of the four men and said a reward of up to $5,000 was available for information leading to an arrest.