| Issuer | Iran |
| Year | 1980-1989 |
| Type | Circulating commemorative coin |
| Value | 50 Rials (50 IRR) |
| Currency | Second Rial (1932-date) |
| Composition | Aluminium bronze |
| Weight | 10.1 g |
| Dimensions | 26 mm |
| Thickness | 2.53 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#1237 |
| Obverse description | Part of gear wheel on lower left, wheat ears on right, oil refinery in middle with value above. Lettering at top |
| Obverse script | |
| Obverse lettering | جمهوری اسلامی ايران
۵۰
ریال (Translation: Islamic Republic of Iran 50 rials) |
| Reverse description | Relief map of Iran with Persian Gulf and Caspian Sea in centre, date at bottom, state motto on other three sides |
| Reverse script | |
| Reverse lettering | استقلال
آزادی
جمهوری اسلامی
١٣۶۶
دریای مازندران
خلیج فارس (Translation: Independence, Freedom, Islamic Republic, 1366 Mazandaran (Caspian) Sea, Persian Gulf) |
| Edge | Plain with incuse lettering |
| Mint | |
| Mintage | 1359 (1980) - ١٣۵۹ KM#1237.1 (map in relief; doubled edge lettering `Bank Markazi Iran`) - 1360 (1981) - ۱۳۶۰ KM#1237.1 (map in relief; doubled edge lettering `Bank Markazi Iran`) - 1361 (1982) - ۱۳۶۱ KM#1237.1 (map in relief; doubled edge lettering `Bank Markazi Iran`) - 1361 (1982) - ۱۳۶۱ KM#1237.1 (map in relief; edge lettering `Bank Markazi Jomhouri Islami Iran`) - 1362 (1983) - ۱۳۶۲ KM#1237.1 (map in relief; edge lettering `Bank Markazi Jomhouri Islami Iran`) - 1363 (1984) - ۱۳۶۳ - 1364 (1985) - ۱۳۶۴ KM#1237.1 (map in relief; edge lettering `Bank Markazi Jomhouri Islami Iran`) - 1365 (1986) - ۱۳۶۵ KM#1237.1 (map in relief; edge lettering `Bank Markazi Jomhouri Islami Iran`) - 1366 (1987) - ۱۳۶۶ KM#1237.2 (map incuse; edge lettering `Bank Markazi Jomhouri Islami Iran`) - 1367 (1988) - ١٣۶۷ KM#1237.2 (map incuse; edge lettering `Bank Markazi Jomhouri Islami Iran`) - 1368 (1989) - ١٣٦٨ KM#1237.2 (map incuse; edge lettering `Bank Markazi Jomhouri Islami Iran`) - |
| Catalog ID | 2840528030 |
| Comments |
