Close up of Sponeman figurine face.

Jackson, D.K., A.C. Fortier, and J.A. Williams 1992. The Sponemann Site 2 (11-MS-517): The Mississippian and Oneota Occupations. American Bottom Archaeology, FAI-270 Site Reports, Vol. 24. University of Illinois Press, Urbana. plate 9.6

Image courtesy of the Board of Trustees of the University of Illinois and the Illinois Transportation Archaeological Research Program.