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30 Réis '1/2 Tanga'- José I- Goa mint
| Issuer | Portuguese India |
|---|---|
| Year | 1760-1762 |
| Type | Log in to see details |
| Value | 30 Réis = 1/2 Tanga (1/20) |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
| Shape | Log in to see details |
| Technique | Log in to see details |
| Orientation | Log in to see details |
| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | 30 Reis |
| Reverse description | Log in to see details |
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| Reverse lettering | Log in to see details |
| Edge | Log in to see details |
| Mint | Goa Mint |
| Mintage | Log in to see details |
| Additional information |
José I's Goan copper issues of this period were struck under the Estado da India at a moment when Portuguese authority over the subcontinent had been substantially reduced to a handful of coastal enclaves. The 1/2 Tanga denomination bridged two monetary systems simultaneously — the réis accounting of Lisbon and the tanga coinage familiar to local commerce along the Konkan coast.
The Goa mint operated with chronic supply problems throughout the 1750s and 1760s, relying on locally sourced copper of inconsistent purity, which accounts for the die-to-die weight variation documented across surviving examples of this type.