Note 578 — VI INTERNATIONAL RATES
Reading edition
Documents du Congrès postal international, Berne, 1874, pp. 3-7. See M. E. Ruffy, ibid., pp. 39, 40 and 41.
Reading edition
Documents du Congrès postal international, Berne, 1874, pp. 3-7. See M. E. Ruffy, ibid., pp. 39, 40 and 41.