He probably drew it on clay. The world's earliest known map, one of Babylonia, was drawn on a clay tablet. Check this site.
http://www.armenica.org/cgi-bin/armenica.cgi?128711177342669=1=3==Historical%20maps==1=3=AAA
Nicolas Sanson drew an ancient Babylonian map of the known world on what? What was it drawn on, I am taking this to mean what type of paper, etc. The question reads as follows: An ancient Babylonian map of the known world was drawn on ________ and labeled in cuneiform.
2 answers
Here are some interesting sites about Sanson.
http://www.philaprintshop.com/sanson.html
http://www.maphist.com/artman/publish/article_180.shtml
http://www.philaprintshop.com/sanson.html
http://www.maphist.com/artman/publish/article_180.shtml