Item #400 (sold) at Violettendencies - Harding Black Bowl 1959 - Texas red clay bowl with rare green copper-reduction oil-spot glaze thrown by American Living Treasure Harding Black at the height of his career... 6-1/2&quot; wide, 2&quot; deep, well marked and in mint condition. He has been described as a walking encyclopedia of glaze chemistries, with spectacular revival formulations of ancient Chinese Chun and celadon glazes just a couple of hallmarks in a long and varied career.