Came across some nice little 1950's and 60's Eastern European matchbox labels. Loving the concept that such small images can communicate to such a large number of people! It seems it wasn't long before governments realised the potential of these small advertising spaces, cheekily using them as a space for propaganda and service announcements.
See some more here... http://www.flickr.com/photos/maraid/sets/72157594234429063/?page=5