Jean-Daniel Cadinot “Martyr” vintage blank greeting card. Thick cream cardstock printed by Diffusion French Art. Jean-Daniel Cadinot trained traditionally at École des Arts et Métiers and the French National School of Photography. He began his career shooting erotic photographs and was often featured in the monthly gay magazine, “Gai Pied.” He soon graduated to feature length pornographic films where he gained a reputation for a unique style that emphasized plot. Measures 4″ x 6″