With reference to the Indo-Roman trade in ancient India, the term 'aurei' refers to :

The term 'aurei' (plural of aureus) refers to Roman gold coins. In ancient Indo-Roman trade, large hoards of Roman aurei and denarii (silver coins) have been discovered at various South Indian sites such as Arikamedu, Karur, and Kolhapur. These coins were used by Romans to pay for Indian luxury goods such as spices (especially black pepper, called 'yavanapriya' or 'beloved of the Yavanas'), textiles, pearls, and gemstones. Pliny the Elder famously complained about the drain of Roman gold to India.