King Albert I in Military Uniform, 'Tin Hat' Issue

Belgium · 1919 · 10c

This definitive stamp features a portrait of King Albert I, the 'Soldier King', wearing an Adrian helmet. The design, often called the 'Tin Hat' issue, symbolizes his leadership and solidarity with the Belgian army during World War I. The stamp was issued shortly after the war to honor his role in defending the nation's sovereignty.

Issued in the aftermath of World War I, this stamp celebrated King Albert I's heroic status for leading the Belgian army against the German invasion and remaining with his troops for the duration of the conflict.