| year |
first day |
country |
scott # |
agency |
conference |
conference dates |
conference city |
| 1960 | 31-jan | morocco | 35 | eca | 2nd session, eca | 26 jan-6 feb 1960 | tangier |
 |
| 1960 | 16-aug | denmark | 378 | who | session, regional committee for europe | 16-20 aug 1960 | copenhagen |
 |
| 1960 | 29-aug | united states | 1156 | fao | 5th world forestry congress | 29 aug-9 sep 1960 | seattle |
 |
| 1960 | 21-nov | viet nam | 144-145 | fao | 5th fao regional conference for asia and far east | 21-30 nov 1960 | saigon |
 |
| 1961 | 10-apr | iran | 1169-1170 | unesco | international congress of music | | teheran |
 |
| 1961 | 15-may | yugoslavia | 596 | iaea | international conference on nuclear electronics | 15-20 may 1961 | belgrade |
 |
| 1961 | 18-sep | austria | 667 | world bank imf | world bank imf annual meetings | 18-22 sep 1961 | vienna |
 |
| 1962 | 22-jan | senegal | 210 | itu | regional plan commission for africa | 22 jan-2 feb 1962 | dakar |
 |
| 1962 | 3-sep | madagascar | 333 | unesco | conference on higher education in africa and madagascar | 3-12 sep 1962 | tananarive |
 |
| 1962 | 4-sep | iran | 1207-1208 | ecafe | 2nd ecafe symposium on the development of petroleum resources of asia and the far east | 1-5 sep 1962 | teheran |
 |
| 1962 | 10-oct | south korea | 375 | fao | 10th session, indo-pacific fisheries council | 10-25 oct 1962 | seoul |
 |
| 1962 | 5-nov | new caledonia | 322 | wmo | 3rd session, wmo region v association | 5-17 nov 1962 | noumea |
 |
| 1963 | 4-feb | switzerland | 7o38-39 | un | un conference on the application of science and technology for development | 4-20 feb 1963 | geneva |
 |
| 1963 | 4-jun | united states | 1231 | fao | world food congress | 4-18 jun 1963 | washington |
 |
| 1963 | 21-aug | italy | 878-879 | un | un conference on international tourism and travel | 21 aug-5 sep 1963 | rome |
 |
| 1963 | 26-aug | papua new guinea | aerogram | who | 14th meeting, who western pacific regional committee | 5-10 sep 1963 | port moresby |
 |
| 1964 | 2-mar | iran | 1282 | ecafe | 20th session, ecafe | 2-17 mar 1964 | teheran |
 |
| 1964 | 14-apr | malta | 298-299 | fao | anti-brucellosis congress | 8-13 jun 1964 | valletta |
 |
| 1964 | 12-may | afghanistan | 678 | un | un human rights seminar | may 1964 | kabul |
 |
| 1964 | 15-jun | austria | 729-736 | upu | 15th universal postal congress | 29 may-11 jul 1964 | vienna |
 |
 |
 |
 |
| 1964 | | austria | 4 postal cards | upu | 15th universal postal congress | 29 may-11 jul 1964 | vienna |
  |
 |
| 1964 | | austria | 4 postal cards | upu | 15th universal postal congress | 29 may-11 jul 1964 | vienna |
  |
 |
| 1964 | 7-sep | japan | 820 | world bank imf | world bank imf annual meetings | 7-11 sep 1964 | tokyo |
 |
| 1964 | 26-oct | ecuador | 720-721, c727-428, c428a | fao | fao banana conference | oct-nov 1964 | quito |
 |
 |
 |
| 1964 | 16-nov | iran | 1308-1309 | un | un petrochemical conference and gas seminar | nov-dec 1964 | teheran |
 |
| 1965 | 1-mar | iran | 1317-1318 | un | 18th session un commission on the status of women | 1-18 mar 1965 | teheran |
 |
| 1965 | 8-sep | iran | 1346-1350 | unesco | world congress on the eradication of illiteracy | 8-19 sep 1965 | teheran |
 |
| 1965 | 14-sep | switzerland | 471-472 | itu | itu plenipotentiary conference | 14 sep-12 nov 1965 | montreux |
 |
| 1965 | 21-sep | japan | 848 | iaea | 9th iaea general conference | 21-28 sep 1965 | tokyo |
 |
| 1965 | 21-oct | bulgaria | 1422 | unesco | 1st balkan film festival | | varna |
 |
| 1965 | 27-dec | iraq | 393-395 | fao | 2nd international dates conference | dec 1965 | baghdad |
 |
| 1966 | 23-feb | russia | 3150 | unesco | 2nd international oceanographic congress | 30 may-9 jun 1966 | moscow |
 |
| 1966 | 30-may | hungary | 1767 | unesco | 172nd session, executive council | 30-31 may 1966 | budapest |
 |
| 1966 | 8-jun | spain | 1363 | fao | 6th world forestry congress | 6-18 jun 1966 | madrid |
 |
| 1966 | 26-aug | bulgaria | 1516 | unesco | 1st congress of balkanologists | | sofia |
 |
| 1966 | 12-sep | tunisia | 464-466, 466a | unesco | 2nd un regional cartographic conference for africa | 14-24 sep 1966 | tunis |
  |
| 1966 | 10-oct | kuwait | 335-336 | fao | fao fisheries conference of the near east countries | 10-15 oct 1966 | kuwait |
 |
| 1966 | 2-dec | cuba | 1173-1175 | unesco | international leisure time & recreation seminar (cuban national commission for unesco) | | |
 |
 |
| 1967 | 25-sep | brazil | 1058 | world bank imf | world bank imf annual meetings | 25-29 sep 1967 | rio de janeiro |
 |
| 1967 | 13-oct | colombia | 772-773, c495-497, c496a | upu | 9th management council, consultative committee on postal studies | 11-27 oct 1967 | bogota |
 |
 |
 |
| 1967 | 15-nov | mexico | c332 | itu | 2nd ccitt/ccir world plan commission | 30 oct-15 nov 1967 | mexico city |
 |
| 1967 | 29-nov | greece | 904 | unido | international symposium on industrial development | 29 nov-20 dec 1967 | athens |
 |
| 1968 | 1-feb | india | 463 | unctad | 2nd unctad | 1 feb-29 mar 1968 | new delhi |
 |
| 1968 | 17-apr | australia | aerogram | ecafe | 24th session, ecafe | 17-30 apr 1968 | canberra |
 |
| 1968 | 5-may | iran | 1474 | un | international conference on human rights | 22 apr-13 may 1968 | teheran |
 |
| 1968 | 29-aug | malaysia | 53-55 | unctad | natural rubber conference | 27 aug-5 sep 1968 | kuala lumpur |
 |
| 1968 | 30-jun | russia | 3483-3484, stamped envelope | upu | session, consultative committee on postal studies | 20 sep-5 oct 1968 | moscow |
 |
 |
| 1968 | 19-oct | argentina | 865, c113-4 | itu | 4th plenary assembly, ccitt | 23 sep-25 oct 1968 | mar del plata |
 |
 |
| 1968 | 21-oct | malta | 394-396 | fao | 6th fao regional conference for europe | 28-31 oct 1968 | paola |
 |
| 1969 | 15-apr | singapore | 96-98 | ecafe | 25th session, ecafe | 15-28 apr 1969 | singapore |
 |
| 1969 | 10-jun | switzerland | 3o103 | ilo | 53rd session, international labor conference (visit of pope) | 4-26 jun 1969 | geneva |
 |
| 1969 | 1-oct | japan | 1012-1015 | upu | 16th universal postal congress | 1 oct-14 nov 1969 | tokyo |
 |
 |
