NMNH A397744

93

A397744

6/11/19

Mercer County, Illinois. Donated by Judge William J. Graham and Mrs. Edna Graham August 2nd, 1950

Greenish gray with greenish black banding

10.2

5.2

1.4

2.9

0.7

120

The surface of this Double Notched Butterfly bannerstone is carved to accentuate the banding of the slate. There are scratches over the surface and chips at the perforations.

6000-1000 BCE

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