1 Atiá '4 Duganis'- João V Dio mint

João V's Goa mint produced these copper pieces for circulation in Portuguese India under a monetary system that ran parallel to — and frequently clashed with — the indigenous currency networks already embedded in local trade. The "Duganis" denomination is a Portuguese phonetic rendering of the local Konkani term, an accommodation that reflects how thoroughly the colonial administration had to adapt to existing commercial practice rather than impose Lisbon's own accounting units.

Two catalogue references — Gomes J5 42 and J5 43 — indicate distinct die varieties within the emission, likely reflecting the multi-decade span of issue across the reign.