| 20 | Silver | drachm | 598 | 599 | Khusro II | Sasanians |
| 20 | Silver | drachm | 599 | 600 | Khusro II | Sasanians |
| 20 | Silver | drachm | 597 | 598 | Khusro II | Sasanians |
| 20 | Silver | drachm | 599 | 600 | Khusro II | Sasanians |
| 20 | Silver | siliqua | 364 | 378 | Valentinian I or Valens | Roman Empire |
| 20 | Silver | dirham | 636 | 750 | Unknown | |
| 20 | Silver | drachm | 617 | 618 | Khusro II | Sasanians |
| 20 | Silver | drachm | 615 | 616 | Khusro II | Sasanians |
| 20 | Silver | drachm | 325 | 651 | Unknown | |
| 20 | Silver | dirham | 721 | 722 | Yazīd b. ʿAbd al-Malik | Umayyads |
| 20 | Silver | dirham | 695 | 750 | Unknown | |
| 20 | Gold | chrysos | 400 | 425 | Eon | Aksumites |
| 20 | Silver | siliqua | 337 | 361 | Constantius II | Roman Empire |
| 20 | Gold | solidus | 438 | 710 | Unknown (Visigoth) | Visigoths |
| 20 | Silver | siliqua | 395 | 402 | House of Theodosius | Eastern Roman Empire |
| 20 | Gold | solidus | 395 | 423 | Honorius | Western Roman Empire |
| 20 | Silver | uncertain | Unknown | |||
| 20 | Silver | uncertain (silver) | Unknown | |||
| 20 | Silver | siliqua | 363 | 364 | Jovian | Roman Empire |
| 20 | Silver | siliqua | Unknown |