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Chiangmai Tok Lanna Kingdom
| Issuer | Lanna Kingdom |
|---|---|
| Year | 1600-1775 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Silver (.570) (cast) |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
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| Technique | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
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| Reverse description | Concave hollow reverse, revealing the characteristic cup-shaped interior cavity formed by the casting method, with a rough, pitted surface texture throughout. A large irregular open void is visible at the centre of the concave face, exposing the hollow interior of the piece, a defining structural feature of Tok-type Lanna proto-coinage. The rim presents an uneven, jagged profile with no inscriptions, devices, or deliberate ornamentation. Significant iron-oxide and mineral encrustation covers much of the surface, indicative of long-term burial conditions. |
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| Edge | Log in to see details |
| Mint | Log in to see details |
| Mintage | ND (1600-1775) |
| Additional information |
The tok was the primary silver currency of the Lanna Kingdom during its long period of Burmese suzerainty, which began after the fall of Chiang Mai in 1558 and lasted well over two centuries. These pieces were cast rather than struck — a production method that persisted in mainland Southeast Asia long after milled coinage had become standard elsewhere — resulting in the irregular surfaces and variable alloy homogeneity characteristic of the type. The .570 fineness reflects regional silver standards that diverged sharply from the purer alloys demanded by contemporaneous European trade coinage flooding the broader Asian market.