Aga Khan III, 48th imam of the Nizari Ism'aili branch of Shia Islam.Clipped Signature / Autograph dated 1936 + Gallaher Cigarette Card. Sir Sultan Muhammad Shah (Nov 1877 – Jul 1957), known asAga Khan III, was the 48th imam of the Nizari Ism'aili branch of Shia Islam.
