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1 Cash - Trần Nguyên Thông Bảo, with Bảy
| Issuer | Empire of Vietnam |
|---|---|
| Year | 1232 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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| Obverse description | Cast copper cash coin of conventional East Asian form, featuring a central square hole surrounded by four raised Chinese characters in regular script (kaishu), arranged in cruciform reading order: top to bottom and right to left. The four-character legend 陳元通寶 fills the four quadrants of the inner field, with each character occupying its own quadrant between the square perforation and the raised inner rim. The coin is bounded by a plain raised inner rim surrounding the square hole and a smooth outer rim, with a flat, unadorned field between them. |
|---|---|
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| Edge | Plain |
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| Additional information |
Trần Nguyên Thông Bảo belongs to the early Trần dynasty coinage introduced after the clan effectively displaced the Lý rulers in 1225. The reverse character Bảy — meaning "seven" — is a positional notation whose exact administrative significance remains debated among Vietnamese numismatic scholars, with no consensus on whether it denotes a mint batch, a furnace number, or an issue sequence.
Barker's cataloguing of this type as 11.1 places it among the foundational reference points for Trần series attribution, though genuine examples are frequently confused with later cast imitations of indeterminate origin.