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
Chinese Gold and Silver Exchange Society Chinese Gold and Silver Exchange Society The Chinese Gold and Silver Exchange Society is an organisation of gold trading firms in Hong Kong who are participants of the Chinese Gold and Silver Exchange, the first exchange in Hong Kong. The CGSES was formally established as an organisation in 1910. Its founders were immigrants from mainland China. It eventually stopped trading silver, but gold trading saw significant growth after 1974 when the government loosened legal restrictions, and by 1979 trading volume was roughly one million ounces per day, making it one of the world's four largest gold trading centres along with