Ave!

Celtic Roman Soldier Phallic Pendent, c. 1st-3rd Cent. AD

Copper alloy; 44mm/11.3gm

Con/ sound, intact and wearable; semi-cleaned. 

The theory is that such phallic pendents were worn as fertility amulets by the Dunubian Celtic tribe soldiers recruited into the Roman army in Dalmatia and Pannonia.