The artefacts were excavated from tombs dating to the Daunian era, which preceded the Roman empire, in the southern region of Puglia.
The pieces were expected to be trafficked on the illegal antiquities market.
Several sites were sealed off by police near the town of Rodi Garganico, in the province of Foggia on the Adriatic coast after routine checks by the Italian tax police, Corrado Palmiotti told AKI.
“It’s an area rich in archaeology,” he said.
Police said they had made no arrests.
Several vases, ornamental objects and spearheads were recovered by police on the Gargano peninsula. The objects date from between the 6th and 4th-centuries BC.
Daunia refers to the civilisation that dominated northern Puglia for more than 1,000 years until around the 4th century BC.