Option b is the correct answer. Kanishka was the most famous ruler of the Kushan Empire. He ruled from around 127 to 150 CE . He was a great patron of Buddhism and is credited with spreading the religion to Central Asia and China. Kanishka's coins are some of the earliest examples of coins with images of the Buddha. He minted gold and copper coins with figures of Greek and Indian deities engraved on them. He struck coins with the image of Buddha and Sakya Buddho engraved on it. The coins depict the Buddha in various poses, such as sitting in meditation or standing with his hands in the gesture of teaching. Important Tips Kanishka's Coins: Religious Syncretism: Kanishka's coins showcase a blend of divinities from Indian, Greek, Iranian, and Sumero-Elamite traditions, reflecting his syncretic religious beliefs. Language and Script: Initially, his coins had legends in Greek language and script, featuring Greek divinities. Later, Bactrian language and legends replaced Greek, along with corresponding Iranian divinities. Coin Imagery: The king's portrayal on coins includes a bearded figure in a long coat and ankle-gathered trousers, often with flames from his shoulders. He wears rounded boots, wields a sword and lance, and is shown making sacrifices on a small altar. Cultural Attire: Surviving depictions, like a limestone relief, show Kanishka similarly attired with boots, coat, and attire details, providing insights into his regalia.