Germany 1952, Nikolaus Otto and the 4-Cycle Gas Engine
Germany · 1952 · 30 Pf
This stamp commemorates the 75th anniversary of the invention of the four-cycle gas engine. The design features a portrait of its inventor, Nikolaus August Otto, alongside a diagram of the engine's piston and cylinder.
Issued in West Germany (Federal Republic of Germany), this stamp celebrates a key German contribution to the industrial revolution and the development of the internal combustion engine, which powered the 20th century's automotive boom.
Printing Method
Engraved
Catalog Numbers
Estimated Values by Condition
Perfectly centered, fresh, no faults
Well centered, fresh colors
Nicely centered, minor flaws
Average centering, acceptable
Off-center or visible wear
Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.
