Maybe this is a little hyperbolic, but that was the ad for the National Clothing Company, at the corner of 7th and D St. NW. Check out this page from the Washington Post classified pages on March 29th, 1879. These are always fascinating to dig through. You can find some serious gems in them.

Washington Post classifieds - March 29th, 1879
Washington Post classifieds – March 29th, 1879
Tom founded Ghosts of DC on January 4th, 2012 as a blog to uncover the lost and untold history of Washington, D.C. He has lived in the city for over a decade and loves exploring every corner of the District.