The "Rosette Americans of Armorial Ancestry" doesn't appear to be a widely recognized or established organization as of my last training data in January 2022. It's possible that it could be a local or more recently formed group, or it might be a term or name that hasn't gained widespread recognition.

If it's an organization that has been established after January 2022, or if it's a niche or very specific group, I might not have information on it. If you have any specific questions or if you could provide more context, I'd be happy to try to help in any way I can!a