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First Day Cover commemorating the Accra Assembly - The World Without the Bomb, Ghana
- 1962
Depicts logo of the Accra Assembly held in Ghana on June 21-28, 1962, together with three postage stamps of Ghana.
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Ghanaian postage stamp commemorating Albert Einstein
- Undated
UNESCO stamp depicting Albert Einstein and his formula for mass-energy equivalence.
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Postage stamp commemorating Ghana's conversion to the metric system in 1975
- 1975
Stamp depicts scales weighing jars of jam, with text, "2 1/4 lbs of Jam is a little more than a kilogram."