A ceramic style created by Maria Martinez (1887-1980), a Native American potter from San Ildefonso pueblo, New Mexico, together with her family members. The decoration is based on the contrast of matte and shiny surface treatment. Web resource here.
Maria and Santana Martinez. Small Bowl. Black-on-black ware. 1950-1959. Everson Museum of Art, Syracuse, New York. Photo: John Polak.