| Year | Date |
Description | SG | Michel | Scott | Yvert | ÅE | KSissue | KS |
| 1963 |
22.06.1963 |
Fauna |
1183,1186-1193 |
859,862-869 |
741,C200-C207 |
689,PA181-PA188 |
1-9 |
1963.01 |
1-9 |
| 1980 |
10.09.1980 |
Birds |
1643-1647 |
1321-1325 |
927-928,C474-C476 |
875-876,PA450-PA452 |
10-14 |
1980.01 |
10-14 |
| 1981 |
20.03.1981 |
Protected animals |
1666 |
1344 |
C489 |
PA465 |
15 |
1981.01 |
15 |
| 1984 |
21.12.1984 |
Birds |
1859-1864 |
1537-1542 |
1024-1029 |
945-946,PA584-PA587 |
16-21 |
1984.01 |
16-21 |
| 1989 |
20.12.1989 |
Birds |
2093-2096 |
1777-1780 |
1221-1224 |
1067-1070 |
22-25 |
1989.01 |
22-25 |
| 1990 |
11.10.1990 |
America |
2130-2131 |
1813-1814 |
1251-1252 |
1087-1088 |
26-27 |
1990.01 |
26-27 |
| 1991 |
02.09.1991 |
Birds |
2161-2165 |
1844-1848 |
1278-1282 |
1125-1129 |
28-32 |
1991.01 |
28-32 |
| 1991 |
16.10.1991 |
World food day |
2175 |
1858 |
1287 |
|
A32 |
1991.02 |
33 |
| 1993 |
28.09.1993 |
Birds |
2233-2236 |
1916-1919 |
1348-1351 |
1174-1177 |
33-36 |
1993.01 |
34-37 |
| 1995 |
30.08.1995 |
World tourism organization |
2297 |
1980 |
1407 |
1239 |
37 |
1995.01 |
38 |
| 1995 |
11.10.1995 |
America |
2312-2313 |
1995-1996 |
1420-1421 |
1240-1241 |
38-39 |
1995.02 |
39-40 |
| 1995 |
24.11.1995 |
Wildlife of Montecristo |
2318,2327 |
2001-2010 |
1426a-j |
1260-1269 |
40-41 |
1995.03 |
41-42 |
| 1996 |
09.08.1996 |
Migratory birds |
2345-2349 |
2028-2032 |
1446a-e |
1291-1295 |
42-46 |
1996.01 |
43-47 |
| 1997 |
28.08.1997 |
International water day |
2378 |
2061 |
1465 |
1319 |
47 |
1997.01 |
48 |
| 1997 |
28.08.1997 |
Save the ozone layer |
2377 |
2060 |
1464 |
1318 |
48 |
1997.02 |
49 |
| 1998 |
07.09.1998 |
Hummingbirds |
2416-2421 |
2099-2104/B51 |
SS1490 |
|
49-54 |
1998.01 |
50-55 |
| 1999 |
22.04.1999 |
Birds of the Jocotal lagoon |
2446-2455 |
2129-2138 |
1508a-j |
1386-1395 |
55-64 |
1999.01 |
56-65 |
| 1999 |
22.04.1999 |
Birds of the Jocotal lagoon |
MS2456 |
2139/B52 |
SS1509 |
BF44 |
65 |
1999.02 |
66 |
| 1999 |
03.12.1999 |
Woodpeckers |
2497-2501 |
2180-2184 |
1530a-e |
1436-1440 |
66-70 |
1999.03 |
67-71 |
| 2000 |
28.04.2000 |
El Imposible national park |
2511-2530 |
2194-2213 |
1538a-t |
|
71-75 |
2000.01 |
72-76 |
| 2001 |
28.02.2001 |
Pets |
|
2250-2253 |
1547a |
|
76 |
2001.01 |
77 |
| 2003 |
18.07.2003 |
40 years Grupo Roble |
2622 |
2306/B57 |
SS1580 |
|
77 |
2003.01 |
78 |
| 2006 |
31.03.2006 |
TACA 75 years |
|
2422-2423 |
1641a-b |
|
|
2006.01 |
79-80 |
| 2006 |
31.05.2006 |
Fauna and flora |
2739,2744 |
2426,2429 |
1644a,f |
1653,1658 |
|
2006.02 |
81-82 |
| 2007 |
17.12.2007 |
Migratory birds |
2801-2804 |
2497-2500 |
1675a-d |
1713-1716 |
|
2007.01 |
83-86 |
| 2007 |
17.12.2007 |
Migratory birds |
MS2805 |
2501/B68 |
SS1676 |
|
|
2007.02 |
87 |
| 2009 |
22.07.2009 |
National symbols |
|
2553 |
1695a |
1771 |
|
2009.01 |
88 |
| 2009 |
04.09.2009 |
Tourism |
2859 |
2579 |
1697b |
1792 |
|
2009.02 |
89 |
| 2016 |
23.09.2016 |
Friendship ties between El Salvador and China (Taiwan) |
|
|
1757 |
|
|
2016.01 |
90 |
| 2019 |
17.12.2019 |
Talapo |
|
|
1812 |
|
|
2019.01 |
91 |
