U.S. Customs and Border Protection seized more than 3,000 fake Gibson guitars worth nearly $19 million, had they been genuine.

More than 3,000 fake Gibson guitars were seized by U.S. Customs and Border Protection in what authorities are calling the largest seizure of counterfeit musical instruments at the massive Los Angeles-Long Beach Seaport.

Right now, sitting in a nondescript warehouse in Carson, California, thousands of ornate Gibson guitars are piled up in dozens of stacks of cardboard boxes nearly seven feet high. Some of them look like the signature models for rock gods like Dave Grohl,