Persian School, 20th century, Imam Ali with his two sons Hasan & Husayn, with companions possibly Qanbar and Salman-i Farsi, all beneath three angels, within a calligraphic running shaped border, of which the left hand side only has an inner border decorated with gilt flowers, the reverse with two partial studies of kneeling figures, image 24.7cm x 18.5cm, overall 26.9cm x 19.3cm