| Issuer | Iran |
| Year | 1971-1973 |
| Type | Standard circulation coin |
| Value | 20 Rials (20 IRR) |
| Currency | Second Rial (1932-date) |
| Composition | Copper-nickel (75% Copper, 25% Nickel) |
| Weight | 9.1 g |
| Dimensions | 31 mm |
| Thickness | 1.66 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#1180 |
| Obverse description | The Shah`s (King`s) bust facing left |
| Obverse script | Arabic |
| Obverse lettering | محمّدرضا شاه پهلوی آریامهر شاهنشاه
ایران
۱۳۵۱ (Translation: Shah Mohammad Reza Shah Pahlavi, the Shah of Iran 1351) |
| Reverse description | Emblem: Shir-o-Khorshid - A radiant Sun & Lion holding a Sabre. Crown at the top & Value at the bottom of the Emblem. On either side of the Emblem is the Olive & Oak branches |
| Reverse script | Arabic |
| Reverse lettering | بیست
ریال (Translation: Twenty Rial) |
| Edge | Reeded |
| Mint | |
| Mintage | 1350 (1971) - ١٣۵۰ - 2 349 000 1351 (1972) - ۱۳۵۱ - 11 416 000 1352 (1973) - ۱۳۵۲ - 7 172 000 |
| Catalog ID | 8985512090 |
| Comments |
