RE_031_rgb web_2022 June 23, 2023 672 × 841 Nr. 06 / 2023 – Juni / August Yves Klein – Fa, [RE 31], 1960. Dry pigment, synthetic resin, natural sponges and pebbles on panel. 92 x 73 x 11 cm. Private collection. © The Estate of Yves Klein c/o ADAGP, Paris