Explanation:

• Indo Greeks
• The Indo-Greeks were the first rulers in India to issue coins which can definitely be attributed to the kings.
• They were the first to issue gold coins in India.
• Coinage of Indo-Greek kingdom began to increasingly influence coins from other regions of India by the 1st century BCE.
• During the early rise of Roman trade with India up to 120 ships were setting sail every year from Myos Hormos to India.
• Gold coins, used for this trade, was apparently being recycled by the Kushan empire for their own coinage.