My bullet-nose had an obvious front.
The 48-49 not so much. My uncle had a 48 convertible, but I only saw it once.
Speaking about double-ended, I got to drive a Rometsch Beeskow, but the guy sold it on without offering it to me:
http://www.madle.org/eog05e.htm
It was copper with the red interior. It had a 3rd sideways jumpseat in back.