There's a depiction of grenades so common that they're called grenade emblems.[0] It's an emblem of an old style hand grenade with a flame on top of it. It was

There's a depiction of grenades so common that they're called grenade emblems.[0] It's an emblem of an old style hand grenade with a flame on top of it. It was fairly common - the wiki link has a substantial list of examples, eg the Italian carabineri[1] or the British Grenadier Guards.[2] [0] https://en.wikipedia.org/wiki/Grenade_(insignia) https://en.wikipedia.org/wiki/Grenade_(insignia) [1] https://en.wikipedia.org/wiki/Carabinieri#/media/File%3AFiamma_dei_carabinieri.svg https://en.wikipedia.org/wiki/Carabinieri#/media/File%3AFiam... [2] https://en.wikipedia.org/wiki/Grenadier_Guards#/media/File%3AGrenadier-Guards-Cap-Badge.jpg https://en.wikipedia.org/wiki/Grenadier_Guards#/media/File%3...