SPECIAL COVER ON 110 YEARS OF AIRMAIL - ALLAHABAD TO NAINI
Date of issue - 18.02.2021
Venue - Allahabad Fort Sub Post Office
CANCELLATION
On 18 February 1911 India became the first country in the world to fly Airmails from Allahabad to Naini.
Source: Rahul Ganguli ji, Prayag Philatelic Society
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