I bet when you think of Tokyo, you imagine crowded streets of neon signs flanked by huge skyscrapers — which is why it's wild to see this photo of Tokyo featuring the famous Tokyo Tower surrounded by one and two-level houses.
They should bring those back, be good for a little boost on a long day (couldn't be any worse for you than chugging a couple redbulls...)
They are the initials of the letter writer and the initials of the typist.