[2] Some of his coins, discovered in the ruins of the Palace of Kala-i Kakhkakha I in Bunjikat, are now in the National Museum of Antiquities of Tajikistan.
Some of his coins, in some cases bearing the symbol of a Christian equilateral cross, were also found in the area of Chach, together with another ruler named Satachari.
[3] His rule takes place in the period between the fall of the Kushan Empire in the 4th century, and the Muslim conquest of Transoxiana in the 8th century, when Sogdian culture expanded in Central Asia.
[4] Rakhanch was a member of the First Dynasty of rulers of Ustrushana, which ruled from 600 to 720 CE.
[citation needed] A Second dynasty ruled between 720 and 894 CE, until the Principality was overtaken by the Samanid Empire: Kharabugra (720-738), Hanahara (738-800), Cavus (800-825), Haydar (al-Afshin) (825-840), Hassan (840-860), Abdallah (860-880), Sayr (880-893/894).