Test tile divided into 21, 2x.75 cells, colors: blues (light & dark), green (light & dark), rose and yellows.
ceramic tile; blue (color); green (color); yellow (color); color trial proofs; squares (geometric figures)
Made at the College of Mining Engineering, State University, Grand Forks, N.D. stamped in back.
"C MSC 416-1117 Side B" (2017). UND Pottery Collection. 1583.