Signature, with the rank held from June 11, 1851 through the outbreak of the American Civil War, “N. Lyon, Capt[ain], 2nd Inf[antr]y, Com[mandin]g Comp[an]y ‘B’”, on a 3” x 4 ¼” slip of lined paper.
Lightly and evenly toned, with a few superficial stains; old mounting traces on the reverse.