This is a great War of 1812 Shoulder Belt Plate. It’s made of solid brass. It’s missing one hook This is the version of belt plate that was used for the illustration of Plate 83 on page 60 of the Belt Buckle & Plate Book by O'Donnell & Campbell. They state that this is a shoulder belt plate that was worn by the British Canadian Militia starting in the 1790's. This was the standard issue plate issued by the British Board of Ordnance.
Item number: CS638