[5][6] The medal, 1.4 inches (36 mm) in diameter, is silver and has a plain straight swivel suspender.

[1]The reverse depicts HMS Ophir beneath a map of the world with, below, the words in Latin OB PATRIAM MILITIBUS PER MARE TRANSVECTIS ADJUTAM which translates as for services rendered in transporting troops by sea.

[3]The recipient's name, although not his rank or ship, is impressed in block capitals on the rim of the medal.

[7]The 1.25 inches (32 mm) wide ribbon is red, with a blue stripe towards each edge.

[1] The officers of 117 transports and eleven hospital ships qualified, with a total of 1,719 medals awarded: 1,219 with the 'S.