PONGE (Francis). Natural crystals. Paris, L'air du temps, 2011. In-8, glossy purple embossed poly-bound honeycomb spine, silver polymer boards decorated with a silver patinated leather collage composition, all framed with various striated polymer pieces, purple suede endpapers, untrimmed, cover and spine, matching folder and slipcase (F. Rousseau, 2015). First edition. One of 30 copies reprinted on vellum, this one n°128.