| Issuer | Paraguay |
| Year | 1966 |
| Type | Coin pattern |
| Value | 20 Guaraníes |
| Currency | Guarani (1944-date) |
| Composition | Gold (.917) |
| Weight | 20 g |
| Dimensions | 30 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | M#74 |
| Obverse description | National Arms and denomination below |
| Obverse script | Latin |
| Obverse lettering | REPUBLICA DEL PARAGUAY
917/1000 HF
₲.20 (Translation: Republic of Paraguay 917/1000 HF 20 Guaraníes) |
| Reverse description | Head of Pope John XXIII and year of issue |
| Reverse script | Latin |
| Reverse lettering | S.S.
JOHANNES XXIII *1966* (Translation: Your Holiness Pope John XXIII *1966*) |
| Edge | Reeded |
| Mint | HF Huguenin, Le Locle, Switzerland(1868-2022) |
| Mintage | 1966 HF - - 9 |
| Catalog ID | 7351660910 |
| Comments |
