Yeah, haha, I'm a British and Canadian dual-national, so in the post-1983 world, I'm a British Citizen and a Commonwealth Citizen. I was using it as an archaic

Yeah, haha, I'm a British and Canadian dual-national, so in the post-1983 world, I'm a British Citizen and a Commonwealth Citizen. I was using it as an archaic turn of phrase rather than referring to the specific status. You did lead me down an interesting rabbit hole!