A signet ring is the ultimate expression of your personal or professional brand. As a piece of jewelry, it can be worn every day to show off your logo or other design like a coat of arms, and when you use it to seal your envelope, document, product packaging, or other project, it makes a mark that people will see and touch to make a powerful impression that stands out from the mundane. Then when people meet you in person who know the mark, it becomes an instant conversation starter and they…