Counterfeit Confederate Notes Publicly Offered for Sale in the City of Brotherly Love by Adalbert John Volck, 1864, transfer lithograph on paper, from the National Portrait Gallery which has explicitly released this digital image under the CC0 license. (<a rel="nofollow" class="external free" href="https://npg.si.edu/object/npg_NPG.79.95.DD">https://npg.si.edu/object/npg_NPG.79.95.DD</a>)
Adalbert John Volck
National Portrait Gallery