Drawing of Sasanian rock relief: Ardashir I (r. A. D. 224-241) and the Zoroastrian divinity Ahura Mazda at Naqsh-i Rustam, southern Iran, A. D. 1860 (drawing), Iran, Qajar, Paper, pencil, ink, 12. 76 x 15. 75 in. (32. 41 x 40. 01 cm), Paper-Graphics, Lutf 'Ali Khan (1797?1869), This drawing of a Sasanian rock relief at Naqsh-i Rustam, Iran, depicts the investiture of Ardashir I (r. 224-241), who receives the ring of office from Ahura Mazda, the supreme Zoroastrian god. Both king and god are on horseback; the god wears a caftan, the prestigious riding costume of the Sasanian period, and his fan-bearer stands behind him