Willem van Genk, Untitled (Praha, Stad van Dubček or Prague, City of Dubček), The Hague, Netherlands c. 1970, Mixed media on assembled millboards, Unframed: 48 x 48 inches (122 x 122 cm), Framed: 51 ¾ x 51 ¾ x 1 ½ inches (131,5 x 131,5 x 3,5 cm). Collection Foundation Willem van Genk, Museum Dr. Guislain, Ghent, 210302107. Photo: Guido Suykens, Ghent