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| 表面の説明 | Central square perforation surrounded by four large Chinese characters arranged in the cardinal positions, read in the traditional order: top, bottom, right, left. The four-character legend 皇宋通寶 (Hoàng Tống Thông Bảo) is rendered in regular script (kaishu) in raised relief. The characters are bold and well-spaced relative to the central hole. The coin features a plain raised inner rim encircling the square hole and a dotted or beaded outer rim bordering the coin's edge. |
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| 表面の文字体系 | ログイン して詳細を見る |
| 表面の銘文 | ログイン して詳細を見る |
| 裏面の説明 | ログイン して詳細を見る |
| 裏面の文字体系 | ログイン して詳細を見る |
| 裏面の銘文 | ログイン して詳細を見る |
| 縁 | Plain |
| 鋳造所 | ログイン して詳細を見る |
| 鋳造数 | ログイン して詳細を見る |
| 追加情報 |
Hoàng Tống Thông Bảo pieces occupy an odd corner of Vietnamese numismatic history — unofficial cash coins produced outside imperial mint sanction, likely by private casters working during the turbulent mid-to-late Nguyễn period. The iron content in the brass alloy is the tell: official imperial cash was cast to tighter compositional standards, and magnetic response in a coin of this type almost certainly points to workshop production beyond court oversight. Whether these circulated freely alongside official issues or served more localized exchange purposes remains debated.