Italian, Tagged 30 Seal

Tagged 30 Seal, Image & Found by Moonshine.
Found in Italy.

Unusual seals with tags at the top showing a number both sides, 30 on this one. On the main body is a double rectangular recess one containing the Roman numerals XII and the other the number 13 or 15. The other side has a 5 pointed star or flower in the middle with letters circling around it R?R? E S O I is visible.

Italian railway seal? For similar shaped German Railway seals see BSG.BS.00255.

See BSG.BS.02122.