Mauritius "Post Office" stamps
>
The Mauritius "Post Office" stamps were issued by the British Colony Mauritius in September 1847, in two denominations: an orange-red one penny and a deep blue two pence. Their name comes from the wording on the stamps reading "Post Office", which... Wikipedia
Country of production: Mauritius
Date of production: 21 September 1847
Estimated value: €8.1 million red on cover (last sale, 2021)
Face value: Orange red: one penny; Deep blue: two pence
Nature of rarity: First British Empire stamps produced outside Great Britain