The sender wrote on the back that this is a rare postal card. It was sent in an envelope in 2016, but the card is from 1972 and the postal mark is from December 12, 2012 --- 12-12-12. The man on the printed stamp is Sheikh Mujibur Rahman.
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Sheikh Mujibur Rahman (17 March 1920 – 15 August 1975) was the founding leader of Bangladesh. He served twice as the country's President.