World Post Day 10 of the world's rarest stamps

On World Post Day (October 9), a look at some of the rarest stamps in the world. The most expensive is valued at more than Rs 70 crore.

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Top 10 most expensive stamps in the world and the US: rating of 2023

10 Rarest and Most Valuable Stamps in the World

Top 10 most expensive stamps in the world and the US: rating of 2023

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