23Florence, May 1475 «For heaven’s sake, what are you doing?» I jump at Amerigo’s words as he closes the door behind him. Entering the posing room, he finds me standing still, my hands smeared in colour, contemplating a wooden panel leaning against a wall, also stained with paint that was still dripping from it. I had covered the ground with cloth to avoid staining the floor and a sponge soaked in paint is on the cloth. «Sandro told me to come because he has some news for me. But I see he is not back from the Palazzo yet». «I was concentrating. I did not hear you come in», I justify myself. «Is what I am thinking true?» His eyes quickly take in my dirty hands, the sponge and the dripping panel. «Did you throw a sponge, soaked in colour, against that panel?» «The Master suggests throw

