04/09/2026
💌 One stamp. Worth around €10 million. And it’s in Prague.
The legendary British Guiana One-Cent Magenta, considered the world’s most valuable postage stamp, is currently on display at Prague’s Municipal House.
Alongside it, you can see around 60 extraordinary philatelic treasures, including the iconic Inverted Jenny.
⏰ Only until this Sunday, 6 September!