a study of a tree
<bdi><a href="https://en.wikipedia.org/wiki/en:Jules_Coignet" class="extiw" title="w:en:Jules Coignet"><span title="French painter (1798-1860)">Jules Coignet</span></a>
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<a rel="nofollow" class="external free" href="http://www.christies.com/lotfinder/LargeImage.aspx?image=/lotfinderimages/D53345/jules-louis-philippe_coignet_etude_darbres_d5334560h.jpg">http://www.christies.com/lotfinder/LargeImage.aspx?image=/lotfinderimages/D53345/jules-louis-philippe_coignet_etude_darbres_d5334560h.jpg</a>   5 September 2011