C3 InvestmentsLogo Design Contest Logo Design Contest Contests / C3 Investments C3 Investments has selected their winning logo design. For $300 they received 386 designs from 71 different designers from around the world. Find out how LogoTournament works How LogoTournament works Contest Entries by nandonogueira Return to Contest Return to Contest New #211 New #210 Discussion No comments yet.