Select a year
| 1988 | 1989 | 1990 | ||
| 1991 | 1992 | 1993 | 1994 | 1995 |
| 1996 | 1997 | 1998 | 1999 | 2000 |
| 2001 | 2002 | 2003 | 2004 | 2005 |
| 2006 | 2007 | 2008 |
Brazil
Scott 2239
Brunei
Scott 420-422
Notice the two male silouettes on the third stamp. This is the first (and one of very few) references to male-male transmission made on a stamp.
Central African Republic
Scott 982-4
Guine-Bissau
Scott 895
Sri Lanka
Scott 988-9
Syria
Scott 1233
Thailand
Scott 1340
United Nations - Geneva
Scott 184-185
United Nations - New York
Scott 573-574
United Nations - Vienna
Scott 99-100
