Prezentat acum: Elveţia - SDN (1930 - 1939) - 8 timbre.
1938
International Labour Organization - Switzerland Postage Stamps of 1938 Overprinted "SOCIÉTÉ - DES - NATIONS"
2. Mai WM: Niciunul Perforare: 11¾
1938
International Labour Organization - Switzerland Postage Stamps of 1938 Overprinted "SERVICE DE LA SOCIÉTÉ DES NATIONS"
Septembrie WM: Niciunul Perforare: 11¾