changing it to the Ordnance Arms centre around 1898/99
It is not known if AOC officers wore the monogram centre.
Earlier AOC Monogram
Helmet Plate Centre.
(Not illustrated in KK)
Ref - KK 1021
An eight-pointed star, topmost point displaced by Victorian crown. On this a laurel-wreath and within the wreath the Garter.
In the centre a shield bearing the Ordnance Arms. The shield is white-metal, on a black-cloth backing.
This Helmet Plate was worn till the death of Queen Victoria in 1902, When the King Edward VII Imperial Crown version replaced it.