The Sindh Province of what was then British (East India Company) India has the distinction of having

The Sindh Province of what was then British (East India Company) India has the distinction of having produced the first pre-paid postage stamps in the Indian Subcontinent - in this case, embossed paper or wax paper marked with the words “Scinde District Dawk,” “Scinde” being the early British spelling for Sindh, “Dawk” being the Hindi word for postage.  I WANT ONE.

Stamp details:
Issued on: July 1, 1952
From: Sindh, British Raj
MC #N/A

Recognized as sovereign states by the UN: No
Claimed by: Islamic Republic of Pakistan
Member of the Universal Postal Union: No