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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.
Printing Method
Typography
Catalog Numbers
scott688
Image: · License:
View on Wikimedia CommonsEstimated Values by Condition
Superb(S)
$40Perfectly centered, fresh, no faults
Extremely Fine(XF)
$30Well centered, fresh colors
Very Fine(VF)
$25Nicely centered, minor flaws
Fine(F)
$10Average centering, acceptable
Good(G)
$5Off-center or visible wear
Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.
