Greyduke, LLCLogo Design Contest Logo Design Contest Contests / Greyduke, LLC Greyduke, LLC has selected their winning logo design. For $250 they received 227 designs from 51 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by Erik Return to Contest Return to Contest Withdrawn New #136 Withdrawn Prefers others. #86 Discussion No comments yet.