| Issuer | Korea |
| Year | 1742-1752 |
| Type | Standard circulation coin |
| Value | 2 Mun (0.002) |
| Currency | Kingdom of Joseon - Mun (1633-1892) |
| Composition | Copper |
| Weight | 5.89 g |
| Dimensions | 29.6 mm |
| Thickness | 1.2 mm |
| Shape and Technique | Round with a square hole Cast |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#330 |
| Obverse description | Chinese ideograms - Top to bottom: 常平 = Sang pyong, a Department of Korean Yi Dynasty - Right to left: 通寶 = Tong bo, means currency |
| Obverse script | |
| Obverse lettering | 常 寶 通 平 |
| Reverse description | Mint mark at top, seriales at bottom, serial number at right *营 (Yŏng): Special Army Unit *張 (Chang): Extend |
| Reverse script | |
| Reverse lettering | 营
一
張 (Translation: Special Army Unit, series `extend`, serial number 1) |
| Edge | |
| Mint | |
| Mintage | ND
(1742-1752) - - |
| Catalog ID | 3332879850 |
| Comments |
