View Post Ad Biz | Agencies | Brands | Campaigns Jung Von Matt Presents ‘Renovated Billboards’ for OBI By Erik Oster on Mar. 4, 2014 - 11:09 AM Hamburg-based agency Jung Von Matt has created an interesting new outdoor campaign for OBI, the largest DIY store in Germany. The new campaign was launched as a result of price wars between independent stores in the country causin ...