Bust facing three-quarters to the right, wearing a tight heardress topped with a crescent and large earrings, swastika in the right field / Sogdian legend stchry tdwn ch'chynk ("Satachari tudun of Chach") around an angular tamgha. 24mm, 2.33 grams. Shagalov/Kuznetzov 207 (large early type).There are alternative readings of the reverse inscription and the name of this ruler might be a "Satak" or "Satuk" Tudun.The principality of Chach, whose main town had a square citadel built around the 5th to 3rd centuries BC, some 8 kilometres (5.0 mi) south of the Syr Darya River. By the 7th century AD, Chach had over 30 towns and a network of over 50 canals, forming a trade center between the Sogdians and Turkic nomads. The region came under the sway of Islam in the early parts of the 8th century.