Who was the first king to have the image of Buddha inscribed on his coins?

Kanishka

The correct answer is Option 4- Kanishka

The first king to have the image of Buddha inscribed on his coins was King Kanishka, who ruled over the Kushan Empire in the 1st and 2nd centuries CE. Kanishka was a patron of Buddhism and played a significant role in its spread across Central Asia and into China. The coins issued during his reign often featured images of various deities, including Buddha, reflecting his support for Buddhism as well as the cultural and religious diversity of the Kushan Empire.