I hadn't noticed this, but someone pointed it out today.
My 4/4 has an extra louvre on the LHS. Or is there a missing one on the RHS?
Is this normal, or did they go for a cuppa in the factory and then forget the last one ??
Pic here
https://www.dropbox.com/s/tv3hzbg6kntzvfh/Photo%2022-08-2013%2018%2040%2032.jpg
