Obverse
Head left within circle, country name and star in outer ring, designer's name under neck
Lettering: REPVBBLICA ITALIANA
CRETARA
Reverse
Arms of the Italian State Police divides the dates of the anniversary at sides; centaur archer inside a square to the left, mint mark in angle; schematic representation of a road maps with denomination in outer circle
Lettering: L. 500
POLIZIA STRADALE 50
1947-1997
POLIZIA DI STATO
R
SUB LEGE LIBERTAS