Washington, D.C., December 20, 1866. Partially-printed military commission on vellum, signed by Andrew Johnson, as president, appointing Joseph B. Parker Assistant Surgeon in the Navy; counter-signed by Secretary of the Navy, Gideon Welles; embossed orange United States Navy Department seal at bottom, points soiled. Creasing from original folds. 19 1/2 x 15 5/8 in. (495 x 397 mm).

A fine example, seemingly never framed or displayed.