Officer's shako plate, Armagh (Light Infantry) Militia, 1855 (c).

Die-struck, in gilt metal, a multi-rayed eight-pointed star, the uppermost point of which is displaced by a monarchial crown.
Mounted at the centre a white metal circlet bearing the pierced title, 'Armagh/ Regiment', upon a burnished gilt-metal ground.
Within the circlet, the stippled white metal numeral, '75', upon a burnished, domed gilt-metal ground.
The reverse bears two pairs of copper wire fittings behind the crown, and two copper loop fittings horizontally placed, one on either side of the centre.