George W. P. Hunt's signature.
Traced in Adobe Illustrator from http://digital.lib.asu.edu/cdm4/item_viewer.php?CISOROOT=/asu-wwdl&amp;CISOPTR=4373&amp;DMSCALE=50&amp;DMWIDTH=600&amp;DMHEIGHT=600&amp;DMX=27&amp;DMY=220&amp;DMMODE=viewer&amp;DMTEXT=&amp;REC=4&amp;DMTHUMB=1&amp;DMROTATE=0
George W. P. Hunt