| Universal Postal Convention concluded between Argentine Republic, Austria-Hungary, Belgium, Bolivia, Brazil, Bulgaria, Chile, Republic of Colombia, Congo Free State, Republic of Costa Rica, Denmark and Danish Colonies, Dominican Republic, Egypt, Equator, France and French Colonies, Germany and the German Protectorates, Great Britain and various British Colonies, British Colonies of Australasia, Canada, British India, Greece, Guatemala, Kingdom of Hawaii, Republic of Hayti, Republic of Honduras, CONTINUED... |
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4 July 1891 |
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