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Defrance Coal mining th c. en Coal mining painted by Lonard Defrance Collection Muse des BeauxArts de Lige formerly Muse de l'Art wallon et de l'Evolution culturelle de la Wallonie Le sicle des Lumires dans la principaut de Lige museumcatalogus Muse de l'Art wallon Luik Lonard Defrance Custom marker PDold Paintings by