N.S.W. Corrective Meritorious Service MedalN. S. W. Corrective 20 Year Meritorious Service Medal Full size medal Unmounted with 15cm ribbon as required for swing mounting. Miniature size medal Unmounted with 10cm ribbon as required for swing mounting. The New South Wales Corrective Service Meritorious Service Medal is awarded for twenty years service in the New South Wales prison service. An elongated circle fitted with a suspension bar. On the obverse the arms of New South Wales, with NSW