The designer of the medal was Nathan Karp. The original medal is a
silver disc of 39 mm diameter and weight 25 gr., showing a stylized
candelabra and the emblem of the Prison Service between two olive
branches. The medal were first minted by Kretschmer of Jerusalem and issued by
the Israel Government Coins and Medals Corporation, in 1975.
medal without silvermark but with serial number (here covered).
Clasp: Dimensions 45.2 x 14 mm. Silvermark 925 on lower right
Ribbon is red and blue, width 40 mm.