People who were displaying tended to display pieces that were in excellent condition and were not the sort of thing a collector would find very often. A display like that below would either represent many years of collecting or, more likely, the purchase of key pieces from several collections.
atlatl. (See also here and here.) But because the atlatls were made of wood, they have rotted away.
Some of the points found in our area are knows as Indiana Green. They were made from chert that was found somewhere near Attica.
In addition to spear and arrow heads, there were many other tools on display. Below is a large selection of axes and other implements such as hoes. The notches show that they would be mounted on a handle.
Shows like this are one of the few places that force you to recognize that what we think of as the history of our region is just a tiny bit of the actual history.
By the way, did you know that arrowheads tessellate?