Glaze test tile--divided into four squares
glazing (coating); ceramic tile; ceramics (objects); color trial proofs; flat (form attributes); squares (geometric figures)
Made at the College of Mining Engineering, State University, Grand Forks, N.D. and written on the front going top left to right then down B.65, G.418; B. 67, G.420; B.66, G.419; B.68; G.421 (Also written on outside edge)
"C MSC 430-1134 Side A" (2017). UND Pottery Collection. 1550.