Middle - Late Archaic Period, 6000-1000 B.C.Clarksville Mound, Clark County, Indianalength 3.25 in.
Antler and Stone Cups are extremely rare. They are thought to be used for the same purpose. A very interesting discussion of Antler Cups may be found in The Archaic Bannerstone where this fine and large engraved example is pictured.
Gerber, Art, The Art Gerber Story, 2007, pg. 315, fig. 7.255
Lutz, David L., The Archaic Bannerstone, 2000. pg. 371