| 100th Anniversary of the Death of Sir Rowland Hill | 6 | 1768081 1768082 1768083 1768084 1768085 287313 |
| 100th anniversary of Pablo Picasso | 5 | 1343722 1991645 1991646 1991647 1991648 |
| 100th death anniversary of Dominique Ingres | 5 | 1695130 1695131 1767899 1767900 1767901 |
| 10th Anniversary of Independence | 1 | 1767925 |
| 13th Winter Olympic Games. Lake Placid | 6 | 517349 517350 517351 517352 517353 517354 |
| 13th World Scout Jamboree | 3 | 1343748 1767933 1767934 |
| 15 years of Independence | 2 | 1768020 1768021 |
| 175th birthday of Eugène Delacroix | 4 | 1767956 1767957 1767992 1767993 |
| 1990 World Cup Soccer Championships, Italy | 1 | 2097075 |
| 1st Anniversary of Arab Maghreb Union | 1 | 1768164 |
| 1st Anniversary of Restoration of Democratic Elections | 2 | 2337588 2337589 |
| 1st Municipal Elections | 2 | 1695166 2097068 |
| 1st anniversary of Nouakchott harbour | 1 | 2049287 |
| 1st anniversary of the Ouguiya currency | 3 | 1768000 1768001 1768002 |
| 200th Anniversary of the Battle of Yorktown | 1 | 1768034 |
| 20th Anniversary of Independence | 2 | 1768134 1768135 |
| 20th Anniversary of Multinational Postal Training School | 1 | 1768170 |
| 21st Birthday of the Princess of Wales | 3 | 287339 287340 2337568 |
| 2nd Anniv. of independence | 1 | 1477991 |
| 2nd Anniv. of the Palestinian Uprising | 1 | 2097078 |
| 2nd Anniversary of Declaration of State of Palestine | 1 | 1768185 |
| 2nd anniversary of the UAMPT | 1 | 1767835 |
| 400th birthday of Peter Paul Rubens | 6 | 1478021 1695140 1695141 1695142 1695143 1695146 |
| 45th anniversary of Independence | 2 | 517319 517320 |
| 475th Death Anniv. of Christopher Columbus | 2 | 2097056 2097057 |
| 75 years Grand Prix of France | 6 | 1540935 1540936 1540937 1540938 1540939 287327 |
| 75th Anniversary of Scouting | 5 | 287328 287329 287330 287331 287326 |
| 75th Anniversary of the Zeppelin Airship | 8 | 287296 287297 287298 287299 287300 287301 1768030 1768035 |
| 75th anniversary of first powered flight | 2 | 1768072 1768073 |
| 8th Conf. of the Organization to Fight Endemic Diseases | 1 | 1477989 |
| African Development Bank, 25th Anniv. | 1 | 2097076 |
| African solidarity in drought emergency | 2 | 2337526 2337527 |
| Against Racism | 2 | 287266 287267 |
| Agricultural Development | 2 | 1695154 2337567 |
| Airmail | 14 | 51743 51744 51745 51746 51747 51763 51764 51765 51766 51767 |
| Airmail - The 1st Flight of Space Shuttle | 5 | 1540928 1540929 1540930 1540931 1768136 |
| American Revolution | 4 | 1343723 2097055 1540932 2097058 |
| Animals | 20 | 51847 51865 51864 51866 51867 51868 51869 517338 196383 196384 |
| Anniversary | 23 | 51848 196392 287341 287342 287372 287382 517193 517202 517219 517244 |
| Apollo–Soyuz Test Project (ASTP) | 6 | 287290 287291 287292 287293 1991641 2337530 |
| Apostles of Peace | 3 | 1767902 1767903 2337519 |
| Arab Scouting Movement, 75th Anniv. | 1 | 2097067 |
| Arab achievements | 2 | 1768104 1768105 |
| Arbres | 1 | 196391 |
| Argentina's victory in World Cup Soccer | 13 | 1695147 1695148 1695149 2337544 2337545 2337546 1695150 1695151 1768065 2337547 |
| Armed forces day | 2 | 1768112 1768113 |
| Artisanat | 5 | 196393 196394 1767989 1767990 1991636 |
| Astromie | 10 | 517261 517262 517263 517264 517265 517281 517266 517282 2337578 2337579 |
| Auto Rally | 5 | 196390 1767915 1767916 196389 1767917 |
| Aviation | 12 | 287358 287359 287360 287361 287362 287363 287373 287374 287375 287383 |
| Aviation History | 8 | 1343761 1343762 1343763 1343764 1343765 2097052 1768045 1695145 |
| Bicentenary of the Independence of the United States | 6 | 1478013 1478014 1478015 1478016 1478017 1768024 |
| Birds | 37 | 1540906 1540907 1540908 51814 51815 51829 51830 51831 1540909 1767841 |
| Birds of Banc d'Arguin National Park | 13 | 517270 517271 1991650 1768156 1768157 1768196 1768197 1768199 1768198 1767808 |
| Birds: Audubon | 5 | 517240 517241 517242 517243 1768149 |
| Butterflies | 4 | 1478004 1478005 1478006 1478007 |
| Campaign Against Blindness | 1 | 2097090 |
| Celebration | 1 | 517275 |
| Ceramics from Audaghost | 4 | 1343757 1343758 1343759 1343760 |
| Cities | 6 | 287364 287365 287366 287367 517195 517196 |
| Colonial Exhibition in Paris | 4 | 51676 51677 51678 51679 |
| Commemoration | 2 | 287332 1768137 |
| Commemorative | 14 | 51725 51726 51727 51728 51729 51749 51750 51751 51752 51753 |
| Commissioning DC8F the Air Afrique Company | 1 | 1767882 |
| Communication | 1 | 287371 |
| Crafts | 4 | 517295 517296 517297 517298 |
| Creation of the company "Air Afrique" | 1 | 1767815 |
| Crop pests | 12 | 1695168 1695169 1695170 1695171 1695172 1695173 1695174 1695175 2097069 2097070 |
| Cross Trarza | 5 | 51807 51808 1343727 1343728 1767812 |
| Definitive 1913-38 | 37 | 51609 51610 51611 51612 51613 51614 51615 51616 51617 51618 |
| Definitive 1938-40 | 35 | 51695 51696 51697 51699 51700 51701 287246 51702 51703 51704 |
| Diplomatic Relations - China and Mauritania | 2 | 517315 517316 |
| Doctors Without Borders, 20th Anniv. | 1 | 2097091 |
| Domesticated Animals | 2 | 2097088 2097089 |
| EUROPAFRICA Economic agreement | 1 | 1695129 |
| EXPO '70, Osaka | 3 | 1767919 1767920 1767921 |
| EXPO ’67 Intl. Exhibition, Montreal | 1 | 517337 |
| Economie | 3 | 196395 196396 196397 |
| Education | 4 | 2049289 2337612 2337613 2337614 |
| Engravins by Albrecht Durer | 5 | 1478022 1478023 1478024 1478025 1768077 |
| European Year of Music | 2 | 517228 517229 |
| Events | 4 | 517192 517194 517210 2337565 |
| Exposure | 6 | 517237 517238 517239 517247 517248 517249 |
| FIDA 10th anniversary | 1 | 1343725 |
| FIFA World Cup 1970 - Mexico | 8 | 287255 287256 2337521 2337522 287257 287258 2337523 2337524 |
| FIFA World Cup 1978 - Argentina | 21 | 1343766 1343767 1343768 1343769 2337534 2337535 2337536 1343770 1478020 2337537 |
| FIFA World Cup 1982 - Spain | 6 | 287347 287348 287349 287350 287351 2097059 |
| FIFA World Cup 1986 - Mexico | 12 | 517276 2337571 517277 517278 517279 517280 2337572 2337573 2337574 2337575 |
| Fauna | 11 | 1343751 1343752 1343753 1343754 287304 517325 517326 517327 517328 2049303 |
| Fight against Malaria | 1 | 1477985 |
| Fight against analphabetism | 2 | 1695163 1695164 |
| Fight against desertification | 5 | 517220 517221 517222 517223 517224 |
| First Flight of the Space Shuttle | 1 | 1540933 |
| First anniversary of Congress for Unity. | 1 | 1477992 |
| Fish | 2 | 517272 517273 |
| Fish : Banc d'Arguin National Park | 3 | 1767805 1767806 1767807 |
| Fishery | 5 | 517183 517184 517185 517186 517187 |
| Fishes | 6 | 517347 517348 1768097 1768153 1768154 1768155 |
| Fishing | 4 | 517158 1343738 1767849 1767850 |
| Flora | 4 | 517329 517330 517331 517332 |
| Flowers | 7 | 517171 517168 517169 517170 517172 517173 517174 |
| Flowers, Fauna and Mushrooms | 38 | 2337615 2337616 2337617 2337618 1695124 1695125 1695126 1768201 1768205 2337619 |
| Football World Cup - Italy | 5 | 1768165 1768166 1768167 1768168 1768169 |
| Football World Cup 1974 | 5 | 1767972 1767973 1767974 1767975 1767977 |
| Football World Cup 1982, Spain | 7 | 1768121 1768122 1768123 1768124 1768125 1768126 287322 |
| Fossil shells | 4 | 287279 287280 1767983 1767984 |
| French Revolution bicent., PHILEXFRANCE 89. | 1 | 2097074 |
| French-African cooperation | 2 | 1768051 1768052 |
| Fruit | 10 | 51849 51850 51851 51852 51853 1695132 1768008 1768009 1768010 1768011 |
| Gear for Nomads | 5 | 2049298 2049299 2049300 2049301 2049302 |
| General Charles de Gaulle | 3 | 287268 287269 1767940 |
| Gold medalists of the Olympic Games, Mexico 1968 | 3 | 1767911 1767912 1767913 |
| Gold medalists of the Olympic Games, Munich 1972 | 3 | 1767937 1767938 1767939 |
| Gold medalists of the Olympic Horse Show, Moscow | 6 | 1768129 1768130 1768131 1768132 1768133 2337554 |
| Gouverneur-général Noël-Eugène Ballay | 3 | 51588 51589 51590 |
| Handicraft | 3 | 1343741 1767864 1767865 |
| Handicrafts | 1 | 517161 |
| Hegira, 1500th anniversary | 3 | 1991644 2337556 2337557 |
| Heroes missing space | 8 | 1767922 1767923 1767924 1767926 1767927 1767928 1767929 1767930 |
| Historic Towns | 4 | 517304 517305 517306 517307 |
| Human Rights | 2 | 51854 51855 |
| Huts | 3 | 2337604 2337605 2337606 |
| Independence, 30th Anniv | 3 | 2097084 2097085 2097086 |
| Industrie | 1 | 51860 |
| Insects | 10 | 287250 287251 287252 287253 287254 287287 1767994 1767995 1767996 1767997 |
| Installation of Central Electric Service | 1 | 2097092 |
| Integration of Repatriates from Senegal | 3 | 1768187 1768188 1768189 |
| International Exhibition in Paris | 7 | 51681 51682 51683 51684 51685 51686 2337518 |
| International Literacy Year | 1 | 1768171 |
| International Stamp Exhibition PHILEXAFRIQUE 1979 | 2 | 1768086 1768087 |
| International Stamp Fair ESSEN '78 | 2 | 1768062 1768064 |
| International Woman Year | 2 | 1768014 1768015 |
| International Year against Racial Discrimination | 2 | 1768057 1768058 |
| International Year of Africa Tourism | 1 | 1343746 |
| International Year of Disabled | 1 | 1343721 |
| International Year of the Child | 3 | 1768088 1768089 1768090 |
| Intl. Negro Arts Festival | 3 | 1478001 1478002 1478003 |
| Islamic Miniatures | 6 | 1343773 1767942 1767943 1767980 1767981 1767982 |
| Jamboree mondial d'Idaho | 2 | 51840 51841 |
| Job | 1 | 517260 |
| Konrad Adenauer | 1 | 1767893 |
| Launching of French Space Satellites | 3 | 1767872 1767873 1767874 |
| Locomotives | 6 | 1540921 1540922 1540923 1540924 1540925 1540926 |
| Luna XVI | 2 | 1767950 1767951 |
| Manuscripts | 3 | 287368 287369 287370 |
| Marshall Pétain | 2 | 51756 51757 |
| Medalists of the Olympic Ice Hockey Cup, Lake Placid | 6 | 1768106 1768107 1768108 1768109 1768110 1768111 |
| Medical | 1 | 287278 |
| Medical Science | 4 | 517198 517199 517200 517201 |
| Mineral exploitation Mt Haoudat | 2 | 1768195 2337592 |
| Mining Company MIFERMA | 2 | 1767833 1767834 |
| Mining and industry | 2 | 287294 1768018 |
| Monument | 1 | 517230 |
| Mushrooms | 1 | 1695123 |
| Musical instruments | 8 | 517321 517322 517323 517324 517160 1343739 1767856 1767857 |
| Naissance Royale 1982 | 3 | 287355 287356 287357 |
| Napoleon | 3 | 517339 1767908 1767909 |
| Native Motifs | 15 | 51791 51792 51793 51794 51795 51796 51797 51798 51799 51802 |
| Native fauna | 12 | 51812 51813 51819 51820 51821 51822 51823 51824 51825 51826 |
| Natl. Population Census | 1 | 2097061 |
| New York World's Fair | 2 | 51723 51724 |
| Nobel Prize Winners | 7 | 287306 287307 287308 1343755 1695135 1768044 287305 |
| Nouakchott-Nema Road | 2 | 1768068 2337549 |
| Old aircrafts | 4 | 1767878 1767879 1767880 1767881 |
| Olympic Games | 1 | 287314 |
| Olympic Games 1968 | 4 | 1767894 1767895 1767896 1767897 |
| Olympic Games 1980 - Moscow | 12 | 287315 517343 517345 517346 1768096 517344 287317 287318 287319 287320 |
| Olympic Games 1984 - Los Angeles | 18 | 287379 287380 287381 287384 1768139 1768141 517205 517206 517207 517208 |
| Olympic Games 1988 - Seoul | 6 | 517286 1695157 517287 1695156 1695158 517288 |
| Olympic Games 1994 | 7 | 2337593 2337594 2097093 2337595 2337596 2337597 2337598 |
| Olympic Games Grenoble and Mexico City, 1968 | 4 | 1767885 1767886 1767887 1767888 |
| Olympics 1960 Rom, 1964 Tokyo | 2 | 1477993 1477994 |
| Organisation | 1 | 196382 |
| Oualata | 1 | 51809 |
| Overprinted “Medaille d’or” | 5 | 2097062 2097063 2097064 2097065 2097073 |
| Paintings by Rembrandt | 6 | 1768116 1768117 1768118 1768119 1768120 1991642 |
| Palestine | 2 | 1695138 1695139 |
| Palestinian "Intifada" Movement | 2 | 1695119 2337590 |
| Palm Trees | 8 | 51580 51581 51582 51583 51584 51585 51586 51587 |
| Personality | 15 | 287249 1768059 1768060 1768061 517189 517190 517191 517204 1768142 1768143 |
| Petroglyphs | 3 | 287289 1768012 1768013 |
| Philexafrique 1969 | 2 | 1767904 1767907 |
| Pierre and Marie Curie | 1 | 51694 |
| Pilgrimage to Mecca | 3 | 1768127 1768128 2097077 |
| Pre-Olympic Year 1975 | 2 | 2337528 2337529 |
| Prehistory | 3 | 287376 287377 287378 |
| Promotion of Books and Reading | 4 | 517308 517309 517310 517311 |
| Queen Elizabeth | 1 | 517236 |
| Red Cross | 2 | 51636 51637 |
| Release from South African Prison of Nelson Mandela | 1 | 1768186 |
| René Caillié | 3 | 51720 51721 51722 |
| Royal wedding | 4 | 2337558 2337559 2337560 2337562 |
| Saddles | 4 | 2049294 2049295 2049296 2049297 |
| Safe return of Apollo 13 crew | 1 | 517341 |
| Save Venice | 3 | 1767944 1767945 1767946 |
| Saving of Nubian Memorials | 3 | 1767843 1767844 1767845 |
| Scouts, Butterflies and Fungi | 13 | 1695110 1695111 1695112 1695113 1695114 1695115 1695116 2097081 2097082 2337585 |
| Sinking of the frigate “Medusa” | 1 | 517178 |
| Social | 2 | 287284 287285 |
| Solar Eclipse | 9 | 1767958 1767959 1767960 1767961 1767962 1767963 1767969 1767970 1767971 |
| Space flights | 3 | 517175 517176 517177 |
| Space travel | 4 | 1767985 1767986 1767987 1767988 |
| Sport | 4 | 51861 51862 51863 517197 |
| Stamp 1913-1917 overloaded | 10 | 51640 51655 51656 51658 51659 51660 51661 51641 51642 51657 |
| Station | 1 | 517259 |
| Summer Olympic Games 1992 - Barcelona | 14 | 1768173 1768172 1768174 1768175 1768176 1768177 1768178 1768179 1768180 1768181 |
| Summer Olympic Games, Montreal | 3 | 1768027 1768028 1768029 |
| Summer Olympic Games, Munich 1972 | 4 | 1767947 1767948 1767949 2337525 |
| Summer Olympic Games, Seoul | 5 | 1540940 1768158 1768159 1768160 2097072 |
| Summer Olympics 1964, Tokyo | 5 | 1477995 1477996 1477997 1477998 1477999 |
| Tax | 18 | 51599 51600 51601 51602 51591 51592 51593 51594 51595 51596 |
| Taxe | 8 | 51627 51628 51629 51630 51631 51632 51633 51634 |
| Tea time | 3 | 1768101 1768102 1768103 |
| Telecommunication | 3 | 1767836 1767837 287338 |
| The 1200th Anniversary of Mosque of Cordoba | 1 | 1768151 |
| Tourism | 15 | 51856 51857 51858 517300 517301 517302 517303 517333 517334 517335 |
| Tourism and Archeology | 4 | 1343740 1767860 1767861 1767862 |
| Traditional Costumes | 5 | 287260 287261 287262 287263 287264 |
| Traditional Houses | 3 | 287343 287344 287345 |
| Traditional handicrafts | 3 | 1768074 1768075 1768076 |
| Train | 6 | 287272 287270 287271 517292 517293 517294 |
| Travel by caravan | 2 | 1768194 2337591 |
| Trees | 5 | 51836 51837 51838 51839 1767889 |
| Tropical Plants | 4 | 517162 517163 517164 517165 |
| Turtles | 3 | 287333 287334 287335 |
| Type 1938 without RF | 6 | 51773 51774 51775 51776 51777 51778 |
| Type 1939 overloaded | 1 | 51786 |
| U.P.U. (Universal Postal Union), Centenary | 4 | 1767998 1767999 1768004 1768005 |
| U.P.U. Bern, New Headquarters Building | 2 | 51859 287259 |
| UN (United Nations) Membership | 3 | 1477986 1477987 1477988 |
| UN (United Nations), 25th Anniversary | 1 | 517340 |
| UN (United Nations), 50th Anniversary | 1 | 1991638 |
| UNESCO campaign to save famous cultural artefacts | 3 | 1768078 1768079 1768080 |
| Unesco | 1 | 287302 |
| Unicef | 1 | 287274 |
| Viking Mars project | 14 | 1478018 1478019 1540917 1540918 1695134 1768043 1695144 1695152 1768091 1768092 |
| W.H.O. (World Health Organization), 20th Anniversary | 1 | 1767898 |
| WHO, 40th Anniv. | 1 | 2097066 |
| WWF | 7 | 287310 1343772 1540919 1768048 1768049 1768050 2097054 |
| WWF - Seals | 5 | 517255 517256 517257 517258 1768150 |
| Winter Olympic Games - Albertville, France 1992 | 6 | 1695108 1768190 1768191 1768192 1768193 2337584 |
| Winter Olympic Games, Calgary, Canada 1988 | 5 | 1695159 1695160 1695161 1695162 517289 |
| Working women | 5 | 51842 51843 51844 51845 51846 |
| World Cup Football Championships, U.S. 1994 | 6 | 1695121 2337600 2337601 2337602 2337603 2337607 |
| World Day of Telecommunication | 3 | 287275 287276 287277 |
| World Food Day | 1 | 1991649 |
| World Meteorology Day | 1 | 2097087 |
| World Population Day | 1 | 1991651 |
| World Summit on the Information Society | 2 | 517317 517318 |
| Year of Youth | 3 | 517233 517234 517235 |