Nikolaus Otto and 75 Years of Petrol Engine

Germany · 1952 · 150 Pfennig

The stamp features a portrait of German inventor Nikolaus Otto on the left, with an early petrol engine depicted on the right. The denomination '150' is located at the bottom right.

Issued in 1952, this stamp commemorates the 75th anniversary of the petrol engine, a revolutionary invention by Nikolaus Otto that profoundly impacted transportation and industry.