तुत्थोद्गतं गौडिकं काम्बुकं चाक्रवालिकं च रूप्यम् ॥ कZ_०२.१३.१० ॥
tutthodgataṃ gauḍikaṃ kāmbukaṃ cākravālikaṃ ca rūpyam
Silver is (of kinds such as) that arising from tuttha, the gauḍika type, the kāmbuka type, and the ākravālika type.
Type-labels enable procurement rules, differential pricing, and standardized testing protocols in the treasury and mint.