Payne's Statement?

[L Verge]

Also in that 1865 photo is the U.S. Patent Office on the right (the majestic building), which is now the National Portrait Gallery. The majestic building on the left is now the Hotel Monaco. In 1865, it was the U.S. post office for D.C. Booth had his mail delivered to Ford's Theatre, but for other postal services he likely went to this building - as did the Surratts.