Here are some examples of some interesting German bugs.
(Click on the pictures below to see larger versions of the photo)
Novoplex (Late 1930's)
A very streamlined bug built on a bakelite base. This particular key came with a metal cover, which is rarely seen.
East German Novoplex
Technically not a Novoplex since it was not made by the same company. This key was made by Jablonsky post WW2