Museum of the History of Kamień Land The weapon’s thin handle is decorated with sculpted rings. It extends into a blade about the width of a thumb, which narrows to a sharp point.

Local treasure seekers have found a richly decorated dagger, potentially dating back 2,800 years, while exploring a block of earth that had broken off a cliff on the Baltic coast.

Officials from the Museum of the History of the Kamień Land determined that it dated back to the Hallstatt period of the early Iron Age. “A true work of art!” said museum director Grzegorz Kurka.

According to a statement, the museum’s director, archaeologist Grzegorz Kurka, met the duo at the beach to examine the artifact. The dagger is a metallurgical masterpiece that could be up to ...