a great image! Civil War glassplate lantern slide image of the pens that slaves were locked in, taken 1861, operated by the notorious slave dealers Price, Burch & Co, Alexandria, Virginia. . W paper label, ink inscr ""Prison for Slaves Interior"'. 4 x 3". Vg. Circa 1870 from 1861 image.maker label "Taylor & Huntington- Hartford Conn. Original War Views-1861-1865" . a very scarce image.