1" Columbia Plateau
Similar Upcoming Sales
4 7/9" Obsidian Haskett Obsidian Arrowhead Fine Flaking Found in Oregon.Feb 28, 20262 5/16" Cascade Obsidian Arrowhead Fine Flaking Found in Oregon.Feb 28, 20262 5/16" Agate Basin Obsidian Arrowhead Fine Flaking Found in Oregon.Feb 28, 20263 9/16" Northwestern 4-Way Knife Obsidian Arrowhead Fine Flaking Found in Oregon.Feb 28, 20261 7/8" x 7/8" Parman, Partain COA, Obsidian, Lake County OregonMar 01, 20261 5/8" Obsidian Langtry Arenosa, found in New MexicoMar 01, 202625.59 gram Natural Black Obsidian Rough SpecimenFeb 28, 2026Polished Black Obsidian Freeform2 days Left7.1/4" Pre-Columbian Bi-Point Knife, COA Roy Motley & John Leithoff, Made of Obsidian, Found inMar 08, 2026Large Mahogany Obsidian Freeform2 days Left1 7/16" Hanna Obsidian, NevadaMar 08, 20262 1/8" Obsidian Cascade, CaliforniaMar 08, 20263 7/16" Quartz Etley Arrowhead Found in KY/TN Ex: Walt McIntyre Collection.Feb 28, 2026Obsidian Eccentric Indian Artifact ArrowheadMar 01, 20262 5/8" Petrified Wood Parman Point, OregonMar 01, 20262 1/4" Ground Base Early Point, Made from Obsidian, Found in NevadaMar 08, 2026