Postage stamps and postal history of Mexico The regency had previously changed the official currency under which one peso equaled 8 reales to a decimal system in which one peso equaled 100 centavos. In making the conversion postal rates were rounded up, for example, the rate of one real being equal to 12.5 centavos was rounded up to 13 centavos. The stamps, as a result, were issued in values of 7c, 13c, 25c, and 50c. These stamps were issued with the year and invoice number and with or without the district name, but some issued in exchange for Eagle stamps were issued only with the Mexico City
Gold standard Congress on March 3, 1903. Around the same time Mexico and Japan pegged their currencies to the dollar. When Siam adopted a gold exchange standard in 1908, only China and Hong Kong remained on the silver standard. When adopting the gold standard, many European nations changed the name of their currency, for instance from Daler (Sweden and Denmark) or Gulden (Austria-Hungary) to Crown, since the former names were traditionally associated with silver coins and the latter with gold coins. Governments with insufficient tax revenue suspended convertibility repeatedly in the 19th century. The real test, however, came in the form of