Viser nå: Sveits - SDN (1922 - 1944) - 8 frimerker.
1938
International Labour Organization - Switzerland Postage Stamps of 1938 Overprinted "SOCIÉTÉ - DES - NATIONS"
2. May VM: Ingen Perforering: 11¾
1938
International Labour Organization - Switzerland Postage Stamps of 1938 Overprinted "SERVICE DE LA SOCIÉTÉ DES NATIONS"
September VM: Ingen Perforering: 11¾