Brady's National Photographic Portrait Galleries
1861-1865 (taken) 1869-1875? (print)
Slave pen, Alexandria, Va.
[The War for the Union. Photographic History.]

Stereoview
Library of Congress, Prints and Photographs Division
Reproduction Number: LC-DIG-stereo-1s04354 (digital file from original item, front) LC-DIG-stereo-2s04354 (digital file from original item, back)
 
Stereograph shows the interior of a Union military prison; prior to its capture by the Union Army in 1861, the facility had been used by Price, Birch & Co. slave dealership to hold slaves before they auctioned. (Source: The Center for Civil War Photography, http://www.civilwarphotography.org/index.php/3-d-photographs-exhibit/70)
 
LL/108696