| Name | Issues/Designs | |||
| 12th Pan-American Health Conference | 1947 | — | - ... | |
| 19th Pan-American Railways Congress | 1993 | — | - ... | |
| 18th Pan-American Union of Engineering Associations Convention | 1984 | — | - ... | |
| 7th Summit of Latin American Heads of State | 1997 | — | - ... | |
| 9th Venezuelan Engineering Congress | 1974 | — | - ... | |
| 11th Venezuelan Engineers, Architects and Affiliated Professions Congress | 1986 | — | - ... |