This photo has been floating around the internet for quite a long time. I recently saw in on BoingBoing.

This little engraved MP5K is a machinenpistol produced in 1976, “designed at the request of HK South American sales rep, who saw a market for dignitary protection and increased firepower in a small package.” It comes with its own leather “briefcase” carry-case that allows for fast, machine-gun-kelly-style blasts from within the bag