$1.08
CHF 1,00 Good hygiene practices are possible only with reliable and affordable water and sanitation services, which help to protect people from preventable diseases such as COVID-19 and cholera.
Cancelled, Mint
2019, Geneva, Single
2006, Definitive, Full Sheet, Geneva, New York, Single
1992, Definitive, Full Sheet, New York, Single
1995, Definitive, Full Sheet, New York, Single
2020, Definitive, Single, Vienna
1997, Definitive, Full Sheet, Geneva, New York, Single
New York, Geneva, Vienna, Definitive, Single, Full Sheet, 2003
2009, Definitive, Full Sheet, New York, Single
2019, Single, Vienna
1998, New York, Single
2019, New York, Single
1994, Definitive, Full Sheet, Geneva, Single
