Kosmos Fountain Pen
Christoph Bohrer, Stilform - "We definitely recommend working with Green Inbox! Green Inbox was the most profitable agency for us (better than other agenices we worked with). In addition, contract and terms were brief and fair. (G ... Show More "We definitely recommend working with Green Inbox! Green Inbox was the most profitable agency for us (better than other agenices we worked with). In addition, contract and terms were brief and fair. (Green Inbox, facebook ads)"
See Green Inbox endorsement banner at the bottom of the campaign
See campaign here