eddierox 
8:53
Posted on 5/16/13 3:41 PM

bogusiania 
Fajne, 16:36...
Posted on 8/31/11 12:43 AM

reikemaus 
really fun, but I don't think it's from the Deutsche Bundespost :-)
Posted on 1/25/07 12:14 PM

luweewu 
I recognize that from my travels. It looks like the logo for Deutsch Bundespost. Fun puzzle.
Posted on 1/23/07 11:24 AM