Beautifully banded 4 1/16" petrified wood knife. Basal area has been snapped which is common

Beautifully banded 4 1/16" petrified wood knife. Basal area has been snapped which is common for knives made from this material - often part of the manufacturing process. Found in the Columbia Basin by Don Gillogly. Don was a long time member of the Oregon Archaeological Society.