SANTA ANA, Calif. (KABC) -- Nearly $1 million in rare trading cards, including highly valued Pokémon cards, were stolen from a FedEx truck parked near an Orange County business that authenticates and grades the collectible items, according to police.

The theft is the latest in a string of heists involving Pokémon cards, which have exponentially increased in value in recent years.

The Santa Ana Police Department said in a statement on Tuesday that the heist occurred on Oct. 13 outside the Professional Sports Authenticator (PSA) office in Santa Ana.

The hundreds of stolen cards are estimated to be worth a total of $963,000, according to police.

"However, the exact value of the stolen items has not yet been determined," according to the Santa Ana police statement.

The cards belong to collectors from across the country who submitted them to the PSA to be authenticated and graded.

Two full pallets of collectible cards were stolen, and some cards on a third pallet were also swiped when thieves broke into a…