Postage stamps and postal history of the United States a precondition for their issue by a nation was the establishment of standardized rates for delivery throughout the country. If postal fees were to remain (as they were in many lands) a patchwork of many different jurisdictional rates, the use of stamps would only produce limited gains in efficiency, for postal clerks would still have to spend time calculating the rates on many letters: only then would senders know how much postage to put on them. The introduction of postage stamps in the UK in May 1840 was received with great interest in the United States (and around the world).
Postage stamps and postal history of India special postal privileges which had been enjoyed by officials of the East India Company. Stamps for official use were prepared and carefully accounted for to combat the abuse of privileges by officials. In 1854 Spain had printed special stamps for official communications, but in 1866 India was the first country to adopt the simple expedient of overprinting 'Service' on postage stamps and 'Service Postage' on revenue stamps. This innovation became widely adopted by other countries in later years. Shortages developed, so these stamps also had to be improvised. Some of the "Service Postage" overprinted rarities of this year resulted from