| Issuer | North Korea |
| Year | 2005 |
| Type | Non-circulating coin |
| Value | 20 Won |
| Currency | Second Won (1959-2009) |
| Composition | Bronze |
| Weight | 23.00 g |
| Dimensions | 40 mm |
| Thickness | 2 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |
| Obverse description | East gate in Pyeongyang Denomination below |
| Obverse script | |
| Obverse lettering | |
| Reverse description | Cheomseongdae astronomical observatory (built in 632-647) Description surround the tower Date below flanked by ornament |
| Reverse script | |
| Reverse lettering | 첨성대
瞻星臺 (Translation: `Cheomseongdae` means star-gazing tower in: 1) (Hangul language above tower) 2) (Hanja language above tower in brackets)) |
| Edge | Plain |
| Mint | |
| Mintage | 2005 - Proof, 94 year of Juche - |
| Catalog ID | 1742165820 |
| Comments |
