| Issuer | Empire of Vietnam |
|---|---|
| Year | 1440-1442 |
| Type | Standard circulation coin |
| Value | 1 Cash |
| Currency | Cash (970-1868) |
| Composition | Copper |
| Weight | 3.67 g |
| Diameter | 25 mm |
| Thickness | |
| Shape | Round with a square hole |
| Technique | Cast |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Barker#31.1, Toda#53 |
| Obverse description | Four Chinese ideograms read top to bottom, right to left. |
|---|---|
| Obverse script | Chinese (traditional, regular script) |
| Obverse lettering | 大 寶 通 寶 (Translation: Đại Bảo Thông Bảo Đại Bảo (2nd era of Lê Thái Tông, 1440-1442) / Universal currency) |
| Reverse description | Blank (uniface). |
| Reverse script | |
| Reverse lettering | |
| Edge | Smooth. |
| Mint | |
| Mintage | ND (1440-1442) - - |
| Numisquare ID | 2372483830 |
| Comments |