Arthur Unger (born 1932) Luxembourg painter, inventor of the pyrochimiogram process, member of CAL "Bandiagara - La Falaise" (The Cliff) Work by pyrochimiogramme (process, invented by the artist, of painting by fire on electrolytic copper) signed lower right Circa 1991 Framed under glass Dimensions: H: 50; W: 70 cm

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