I have a Braun F 22 flash unit completely preserved and barely used with original cables and the instruction manual. I am trying to find information about it, but could find nothing anywhere. Does anybody know anything about it (specs, value, etc.) and is somebody interested in buying it or swapping it for something else, or tell me of a place where I could offer it? I have no pictures of it at this time, but I can upload them in a few days if that would help. Many thanks.