Photograph depicting Colonel José M. Pinedo. He was appointed colonel on 1838 and died in 1885, so the photograph was taken at some point between those years.
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://juninhistoria.blogspot.ca/2012/04/en-junin-viven-descendientes-del.html">La Maquina del Tiempo.BlogSpot.com.</a>  The image was originally reproduced in <i>Genealogía: Hombres de Mayo</i>, edited by the <i>Revista del Instituto Argentino de Ciencias Genealógicas</i> in Argentina in 1961.  This is a magazine that deals with genealogical studies.  The caption of the image reads <i>Coronel Don José M. Pinedo</i>