Re-raised in 1803 as a much larger affair, they opted to become Local Militia and became the 3rd Essex LM in 1809Royal Colchester Volunteers button - Napoleonic wars First raised in 1797 and stood down in 1801.Re-raised in 1803 as a much larger affair, they opted to become Local Militia and became the 3rd Essex LM in 1809'St Margarets and St Johns' Vol of Westminster St Margaret & St John Volunteers, an Assocoiation 1798-1801, a 3 Company unit commanded by Robert, Viscount Belgrave. Officers buttons were gilt, O/R's buttons were brass. 1802 but the old buttons would probably have been phased out over a period of time.During the interwar years, Service Dress was the main uniform of the Canadian soldier. I believe they are "Generic Issue - 2nd Pattern Royal Artillery button, Officer & O/R's - 1790-1802" but am not 100% certain. Flat buttons of that pattern were the standard Royal Artillery button from c. Convex buttons of the same pattern were worn by Honourable East India Company Artillery units at a later date, probably until c.
Designs varied from a complete depiction of the cap badge (as on the Toronto Scottish button) to the use of significant icons (ie the falcon's head of the 48th Highlanders or the Little Black Devil of the Royal Winnipeg Rifles).The Calgary Highlanders button was a simplification of the cap badge, stripping away everything but the St. The Argyll and Sutherland Highlanders kept the button of their pre-1920 incarnation (the 91st Regiment).