The first airmail stamp in U.S. history and remains one of the most expensive and legendary printing errors ever — the airplane was mistakenly printed upside down.

Today, this philatelic rarity continues to inspire collectors around the globe. Now reimagined as a silver coin, it captivates with its craftsmanship and symbolism — a tribute not only to a unique stamp but also to an era when the dream of flight was just beginning to take shape.

Struck by the Mint Of Poland from 99.9% pure silver with Proof finish. The coin comes housed within a display case which includes the Certificate of Authenticity.