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Nikolaus Otto 75th Anniversary of Four-Cycle Engine
common1945-1980

Nikolaus Otto 75th Anniversary of Four-Cycle Engine

Germany · 1951 · 30 Pfennig

This 30 Pfennig stamp commemorates the 75th anniversary of the four-cycle gas engine, featuring a portrait of its inventor, Nikolaus Otto, against a backdrop of engine components.

Nikolaus Otto's invention of the four-stroke internal combustion engine in 1876 revolutionized transportation and industry, laying the foundation for modern automotive technology.

Catalog Numbers

scott688

Image: · License:

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Estimated Values by Condition

Superb(S)

Perfectly centered, fresh, no faults

$40
Extremely Fine(XF)

Well centered, fresh colors

$30
Very Fine(VF)

Nicely centered, minor flaws

$25
Fine(F)

Average centering, acceptable

$10
Good(G)

Off-center or visible wear

$5

Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.