Let's talk about the signage. You do realize that was for Comet Liquors and existed there for 25 years. Here's an article about it that mentions the sign.

http://jewishfoodexperience.com/comet-liquors-deli-brightened-neighborhood/

"The iconic neon sign was purchased by a local restaurateur and now hangs at his restaurant, Comet Ping Pong on Connecticut Avenue NW."

Here's an article from 2005 when the owner passed away. Notice the sign on the building? http://www.washingtonpost.com/wp-dyn/articles/A41932-2005Mar16.html

Here's another, also with picture: http://www.washingtonpost.com/wp-dyn/content/article/2005/12/26/AR2005122600755.html