Sgraffito is a decorative art form where a surface layer is cut or etched away to expose a different colored ground. Nelson Yatsattie utilized this age-old technique of ornamentation to create a pair of furry Bison. We love mother's extended tail creatively expressing protective love for her baby. The parent's mane is so lush it cascades clear down to the hoof area. Sculpted from one portion of black marble, the powerful mother buffalo and calf together measure approximately 5 1/2" long, 1 1/4" wide and 2" tall. Eyes are from turquoise inlays.