Canoe money tin ingot currency

正面描述	登录以查看详情
正面文字	登录以查看详情
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背面描述	Entirely plain concave interior surface mirroring the boat-shaped form, with the same three-lobed upper profile visible at the rim. The field is smooth relative to the convex face but retains the characteristic rough, porous texture of a sand- or clay-mould cast tin ingot. No inscription, legend, or decorative element is present on any part of the surface.
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边缘	Plain
铸币厂	登录以查看详情
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附加信息	Canoe money — named for the distinctive boat-shaped form produced by pouring molten tin into simple open molds — circulated across parts of mainland Southeast Asia and the Indonesian archipelago as a recognized medium of exchange for at least three centuries. Tin was the region's dominant coinage metal precisely because it was locally abundant; the Malay Peninsula and Bangka island held some of the world's richest alluvial tin deposits, making the metal far more accessible than copper or silver in long-distance trade networks dominated by Chinese merchants and local sultanates. Exact attribution to a specific polity remains difficult — production was decentralized, mold quality varied, and no issuing authority marked these pieces.

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