Strict legislation prohibits the brand name of phramaceutical goods being shown on postcards, that might get sent in the mail and vieved by the general public.
Taking the circle for a walk
Innohep is a an anti-coagulant hospital product. By repeat use of the green circle from the Innohep logo, a series of illustrated postcards were designed as brand reminders for medical congresses – without ever mentioning or showing the actual product!