Scinde Dawk
Scinde Dawk (Sindhi: سندي ڊاڪ) was a postal system of runners that served the Indus Valley of Sindh, an area of present-day Pakistan. The term also refers to the first adhesive postage stamps in Asia, the forerunners of the adhesive stamps used throughout India, Burma, the Straits Settlements and other areas controlled by the British East India Company.