Ali III ibn al-Husayn, also known as Ali III Bey, was the ruler of Tunisia from 1882 to 1902, as a member of the Husainida dynasty. He was born on 14 August 1817 in La Marsa, Tunisia, and died on 11 June 1902 in the same city, at the age of 84. His father was Al-Husayn II ibn Mahmud. Ali III was the first Tunisian ruler to ascend the throne under the French protectorate. Although he was nominally the leader, real power was in the hands of the French colonial administration. In 1883, he signed the Conventions of La Marsa, by which he officially renounced actual power while retaining a symbolic role as monarch. During his reign, the French military and administration took control of the country, including the army, police, and foreign affairs. He was an excellent horseman and personally led the so-called He led several campaigns to consolidate his power over distant tribes. He participated in the suppression of the Mejba Revolt of 1864, when his brother Muhammad III as-Sadiq was unable to act effectively. He was the first to appoint a non-Turkish Grand Vizier, Mohammed Aziz Bouattour, a significant step towards involving the local elite. Although Tunisia lost its political independence during his reign, Ali III Bey preserved cultural and religious traditions and continued to play an important role as a symbolic leader.

Ali III Beg ruled Tunisia from 1882 to 1902, during which time several silver and copper coins were minted, dated according to the Islamic calendar of the time. Main coins and their characteristics: 4 Rial (1883–1891 / 1300–1308 Hijri) Material: silver Weight: 12.8 g Diameter: 31 mm Inscription: Arabic script, with the words "Ali" and "Minted in Tunis" 50 Centime (1891–1902 / 1308–1320 Hijri) Material: silver (.835 fineness) Weight: 2.5 g Diameter: 18 mm Considered as circulation money The coins had Arabic inscriptions, often between ornamental branches. The minting technique was milled, the edges of the coins were fluted. The coins were minted in Tunis, and the they were dated according to the Islamic calendar.