Datums.jpLogo Design Contest Logo Design Contest Contests / Datums.jp Datums.jp has selected their winning logo design. For $375 they received 186 designs from 18 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by AHA! Return to Contest Return to Contest Withdrawn New #127 Withdrawn New #128 Withdrawn New #125 Withdrawn New #73 Withdrawn New #31 Discussion No comments yet.