C.W. Riggs [‘Captain’ Chauncy Wales Riggs (1857–1917)], Chicago, active 1884–1894 [M. Kwas, A Practical Mound Explorer, 2002 and R. Mainfort, Jr., Sam Dellinger, 2008, 21 for information about C.W. Riggs; this and the following according to correspondence from Milwaukee Public Museum, Apr. 25, 2002, copy in curatorial object file]; given to Milwaukee Public Museum, before 1961 [MPM number A16/CW Riggs; incoming permanent receipt RX3573, June 16, 1961, copy in curatorial object file]; by exchange to the Art Institute of Chicago, 1961.