Gianni Colosimo’s exhibition “WALLPAPER (il vortice del desiderio è privo d’orizzonte)” (WALLPAPER [the vortex of desire has no horizon]) effected a powerful interrogation of the gallery space through the application and obsessive repetition of a single visual module: the fabled greenback, the American one-dollar bill. Proliferating, invading the space, this “decorative” element was in no way “neutral” or innocuous. Rather, it activated the viewer’s visual field to an alarming degree. The banknote, removed from the field of exchange, seemed to have become the exclusive object of a worrisome form