SK13 Large super thin 8 1/4″ long absolutely stunning G-10+ grade, petrified wood Cordilleran Knife example. Best of the collection artifact here! Its only 5/16″ thick at the thickest point. the material is stunning and the use wear polish is incredible. This was one well used knife with minor tip wear and a couple edge nicks. Just a real screamer all around. Collected in the early 1900’s in Central Oregon. Ex-Debbie King who inherited these from her uncle Stanford King.