Postage stamp stamps did not need to show the issuing country, so no country name was included on them. The UK remains the only country to omit its name on postage stamps, using the reigning monarch’s head as country identification. Following the introduction of the postage stamp in the UK, prepaid postage considerably increased the number of letters mailed. Before 1839, the number of letters sent in the UK was typically 76 million. By 1850 this increased five-fold to 350 million, continuing to grow rapidly until the end of the 20th century when newer methods of indicating the payment of postage reduced
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