Oregon Biggs Picture Jasper Ring

Biggs picture jasper is found in my great state of Oregon near the Columbia river near Biggs Junction, OR. . . which also happened to be a stop on the Oregon Trail where travelers would get their first glimpse of the Columbia River. Here are the details:  

This very large oval Biggs jasper cabochon is set in a fine and sterling silver bezel and on a  sturdy silver band - handcrafted by Will Macy in Corvallis, OR.  Size  11 3/4