1 13/16" Columbia Plateau. Columbia River. G10. Bennett COA

1 13/16" Columbia Plateau. Columbia River. G10 exanple made of a highly translucent Agate. Ex-Hayden. Bennett COA. 11/26: Added translucent photo.

Fantastic agate example from the Daryl Baker Collection. Museum Grade G-10. Exotic form.

4 7/8" Plateau Pentagonal Knife, Columbia River Washington, Bennett C.O.A

Superb example in Banded agate/petrified wood. Oregon. Jackson G-10 COA.

1" Columbia Plateau Point, Columbia River Valley, Oregon, Ex Charlie Hall, Jim Bennett, Gem Grade Arrowhead, Native American Artifact

Four Klickitat Daggers. 7/8" to 1 1/8". Columbia River Plateau, WA/OR. All nice examples made of various materials. Ex-Dewey Schmid. Each has a Stermer COA

1 1/8" Columbia Plateau Serrated Point, Brown/Orange Agate, Columbia River Valley, Oregon, Ex Jim Bennett, Gem Grade Arrowhead, Native American Artifact

1 1/8" Swept Wing Split Stem Columbia Plateau Point, Columbia River Region, Oregon, Ex Jim Bennett, Gem Grade Arrowhead, Native American Artifact

1 3/8" Klickitat Dagger. Columbia River Plateau, OR/WA. Pictured in Overstreet #15, p972. Ex-Shane Hicks, James Hogue. Stermer G9 COA

3" Columbia Plateau Point. Columbia River area, OR. Black Obsidian. G10 example. Ex-Tim Terwelp, Ray Kalinowski. Motley COA

4 1/8" Plateau Pentaganol, Stermer COA, found at the confluence of the Willamette River and Columbia River in Multonah Co Oregon. **Some restoration by Dennis Bushey along one blade edge**

1 13/16" Columbia Plateau Semi-Translucent Agate

1" Columbia Plateau, Motley COA, ID

1 3/16" Columbia Plateau Point, Stermer COA, Umatilla Co, Oregon, Gem Grade Arrowhead, Native American Artifact

1 3/8" Agate Columbia Plateau Point, Columbia River Valley, Oregon, Ex Vern Emil, Gem Grade Arrowhead, Native American Artifact

1 1/8" Columbia Plateau Point, Chalcedony, Columbia River Valley, Oregon, Ex Emma Devoe, Gem Grade Arrowhead, Native American Artifact

1" Columbia Plateau Point, Agatized Wood, Deschutes River, Oregon, Ex Dewey Schmid, Gem Grade Arrowhead, Native American Artifact

1 15/16" Columbia Plateau. OR. Brown Jasper. Ex-Charlie Shewey. Davis G9 COA

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by

1" Columbia Plateau, Pictured in Pages 164/165 of Central States October 1992. Found near Vantange Washington (2mi. North To 10mi. South) in Kittitas Co. (Columbia River Beaches). Screened 1949-59 by