That is the US Ordance Stamp and it's a flaming bomb.
And London Ontario's FusiliersThe flaming bomb that you are looking at is a US Army Ordnance marking. Co-incidentally a somewhat similar looking flaming grenade was/is used by the Royal Canadian Artillery, Princess Louise Fusiliers and Royal Canadian Engineers as a collar badge and by the Canadian Grenadier Guards, Fusiliers de Montreal, Princess Louise Fusiliers and Winnipeg Grenadiers as a cap badge. These Canadian regimental badges were not applied to small arms in Canadian service.
Are you looking to ID that revolver?




























