400 block Canal St. – New Orleans LA (built 1840s; facade placed 1953; currently The Everything Shoppe and offices)

 

Certain sources say that there is some 1840s Greek Revival hiding underneath the modern facade: http://www.flickr.com/photos/25229906@N00/7730853108/ and it appears that for two weeks, Lee Harvey Oswald worked for a business in the building as an office boy and runner:
http://www.aarclibrary.org/publib/jfk/wc/wcvols/wh25/pdf/WH25_CE_2228.pdf