Many of the symbols that one can add in the 'regular' posts get jumbled up in the Classifieds.
It's impossible to use + because it simply disappears, the & and " get printed wrong too. Maybe there's more symbols that I haven't used yet that get scrambled too.
Leica II (1932), VIDOM, Elmars 50 & 135, Heliar 50: the nickel kit
Leica II (1942), Minifinder, Canon 28, W-Nikkor 35, Elmar 90: the chrome kit
Ricoh GXR Monochrom