Case XX USA Custom Yellowhorse White Turquoise Morning Singer Russlock Pocket Knife. Features beautiful White & Blue Turquoise and Onyx handles with a hand cut nickel silver Morning Singer inlay. Tru-sharp stainless steel blade features the Brian Yellowhorse signature and #2/10. One of the nickel silver inlays is missing from the back scales. Comes with Certificate of Authenticity from Navajo Artist Brian Yellowhorse. 4 1/4” closed Linerlock.