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
Digital gold currency each of which provides a system that enables users to pay each other in units that hold the same value as gold bullion. These competing providers issue a type of independent currency. Proponents claim that DGC offers a truly global and borderless world currency system which is independent of exchange rate variations and political manipulation. Gold, silver, platinum and palladium each have recognized international currency codes under ISO 4217. Unlike fractional-reserve banking, DGCs hold 100% of clients' funds in reserve as gold, silver, and/or platinum, which can be exchanged via digital certificates. Proponents of DGC systems say that deposits are