| Issuer | Iran |
| Year | 1973-1978 |
| 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 | 1.7 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | 1979 |
| Reference(s) | KM#1181 |
| Obverse description | The Shah Mohammad Reza Shah Pahlavi bust facing left, legend above, date below |
| Obverse script | |
| Obverse lettering | Portrait de profil de Reza Pahlavi ١٣۵٣ |
| 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 | |
| Reverse lettering | |
| Edge | Milled |
| Mint | |
| Mintage | 1352 (1973) - ١٣۵٢ - 1353 (1974) - ١٣۵۳ - 12 601 000 1354 (1975) - ١٣۵۴ - 16 246 000 2536 (1977) - ۲۵۳۶ - 1357 (1978) - ١٣۵٧ - 2537 (1978) - ۲۵۳۷ - |
| Catalog ID | 2990030010 |
| Comments |
