Anthony A. Hallmark Place Category: Criminal Defense Lawyer ProfileReviewsAnthony A. Hallmark completed law school at John Marshall (Atlanta) and has been practicing law since 10/27/1998. Anthony A. Hallmark is located in Powder Springs, GA Leave a Review Cancel reply Your email address will not be published.Review text Select a rating Overall Select a rating Rating Name Email Website Save my name, email, and website in this browser for the next time I comment. * Previous Next