[Alpheus S. Williams, Union officer, half-length portrait, seated, facing left, with small star medallion on uniform]
Photo shows a Civil War officer not named in the original album. Identified due to similarity to negative LC-B813-6515 A. (Source: Library staff, 2011).
In album: [U.S. army officers and other persons of the Civil War period / John White Geary, comp. 1861-1865], no. 91, surrogate p. 23 (lower left).
Surrogate available as color laser copy in P&P Reading Room.