Frederick Muhlenberg's signature.
Own work by uploader, traced in Adobe Illustrator from http://puck.library.upenn.edu/cgi-bin/mrsid/image?coll=archives&amp;filetype=sid&amp;image=20040209006&amp;level=1&amp;x=316.5&amp;y=475.5&amp;width=633&amp;height=951
Connormah, Frederick Muhlenberg