- United Nations-New York - 18
- stamp : 32 cents
- postmarks: 10017 NEW YORK / 30.05.1997.
- United Nations-Geneva- 32
- stamp : 0,45 Swiss Franc
- postmarks: 1211 GENEVE / 30.05.1997.
- United Nations-Vienna - 31
- stamp : 3,50 schilling
- postmarks: 1400 WIEN / 30.05.1997
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