Your choice : Stamps by type -> FDC by WWF

Year of stamps of FDC by WWF	Quantity
FDC:FDC by WWF (From 1983 till 1986)	42
FDC:FDC by WWF (From 1987 till 1990)	66
FDC:FDC by WWF (From 1991 till 1994)	72
FDC:FDC by WWF (From 1995 till 1998)	72
FDC:FDC by WWF (From 1999 till 2002)	74
FDC:FDC by WWF (From 2003 till 2006)	67
FDC:FDC by WWF (From 2007 till 2010)	6