Here are the 2 different shades posted by Jag from her SA at NM. The smaller hobo is the cognac and the larger hobo is the darker brown.
http://forum.purseblog.com/attachment.php?attachmentid=303537&d=1196476163
http://forum.purseblog.com/attachment.php?attachmentid=303947&d=1196542243
http://forum.purseblog.com/attachment.php?attachmentid=303537&d=1196476163
http://forum.purseblog.com/attachment.php?attachmentid=303947&d=1196542243