We have a painting on thin paperboard by Marie Laurencin. It is coated with a thick, somewhat uneven layer of a very discolored (yellowish brown) resinous material. The paint underneath is the usual bright colors that appear to be the usual for this artist. The coating swells in acetone and propanol, but is not soluble in either. When the coating is removed, most of the paint is very matte, with a few of the darker colors being slightly less so. No analysis has been carried out as yet on these various materials. I wonder if anyone has encountered a similar situation with paintings by Laurencin, or her compatriots. I would be happy to discuss this off line if that would be easier.
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