cliffm wrote:You have managed to pique my curiosity so could you tell me for certain what type of paper or material you have pictured with the splotch in it. Experience in the paper industry reveals that virtually all white paper is made through a bleaching process,not dye or painting. What you may have is a contaminated piece, but to be sure, would need to know who manufactured same and to what purpose. Contaminated thinner, solvent, or brush?
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