4" Dalton Burlington DesMoines Co. IA, Ex Dale & Betty

4" Dalton , DesMoines Co. IAEx Dale & Betty Roberts

4 3/4" Pike County Dalton, Fish Tail Variety, found in Lee Co Iowa, Ex Dale and Betty Roberts Collection

4" Agate Basin. Lee Co, IA (Ft. Madison). Fine example with detailed edgework. Ex-Dale and Betty Roberts, Slogabaum collections

4 3/4" Dovetail, Des Moines Co IA, Burlington Flint, Ex Dennis DeRosear

5 1/4" Dalton. Classic type. Lee Co, IA (near Ft. Madison). Thin with outstanding percussion and pressure flaking. Glossy white Burlington. Ex-David DeTar Newbert, Roger Rea. Pictured in 2003 #1 Prehi

2 1/4" Dalton, Burlington, Pike CO IL, Ex Vahle

3 3/4" Burlington Dalton, Pettis Co., MO, Ex. Mark Curtis Collection, Keele COA ,

4 11/16" Dovetail. Van Buren Co, IA. Cobden Chert. Ex-Dale Roberts, Watson Museum

7 1/4" Archaic Knife. Heat treated Burlington Chert. Adams Co, IL. Ex-Dale Rector. Dickey COA.

2 1/4" Dalton-Greenbrier. Sonora Flint. Found by Susan Goodman in Hardin Co, KY. Ex Dale Rector

4 5/16" Dalton. Scott Co, IL. Burlington. Ex-Guy Ragusa. Putty G9 COA

2 1/4" Midland, Found in Lee Co. Iowa, Found by Bill & Bessi Sailer, Ex Dale & Betty Roberts, Stermer COA, Native American Artifacts

4 1/2" Eared Dalton. Pike Co, IL. Burlington. Ex-Guy Ragusa. Putty G8 COA

4" Hardstone Pendant. Williams Co, OH. Tallied top. Thin, graceful shape. Good condition. Ex-Dale and Betty Roberts

4 1/2" Keokuk Axe. Keokuk Co, IA. Very good condition with nicely weathered, undamaged surface. Ex-Dale Roberts

4" Thebes. Iowa Co, IA. Broad, Burlington example. Ex-Dennis DeRosear

4 1/4" Dalton Adz. Putnam Co, IL. Glossy Burlington. Ex-Mark Humpal, Karl Kilguss. Jackson COA

7 1/4" Slate Tube Pipe. Newton Co, IN. Large, good symmetry. Nicely polished with ancient salvage polish on ends. Good condition. Ex-Dale and Betty Roberts. Acquired from Gordon Hart. Pictured in Who'

1 3/4" Barnes Clovis. Mt. Sterling, IA. Very thin and well fluted. Cobden Chert. Fine condition. Ex-Dale and Betty Roberts. Granger COA

5 1/4" Etley. St. Clair Co, MO. Burlington Chert. Good condition. Ex-Dale Rector

6 1/2" Etley. Troy, MO (Lincoln Co.). Very well flaked, excellent symmetry. Burlington. Ex-Dale and Betty Roberts Collection

4 5/16" Double Notch Turkeytail. Des Moines Co, IA (near Kingston). Olive brown Cobden Chert. Fine condition. Ex-Dave Harvey, Paul Kline. FB Allen Green. Motley COA

5.1/2" Iowa Slant Groove Axe, Incredibly colorful green and white porphyry, Appanoose Co Iowa, Pictured in Prehistoric American #4, 2011 and Prehistoric American #4, 1992, Ex Dale and Betty Roberts Co

4 1/2" Slate Bar Amulet. Defiance Co, OH. Has cord/string groove engraved between holes. One hole anciently salvaged. Pictured in 1994 #1 Ohio Archaeologist, p33. Ex-Dale and Betty Roberts, Dave Warne