common1945-1980

Progress in Electronics: Spark Coil

Name: Progress in Electronics: Spark Coil
Brand: United States

United States · 1973 · 6 cents

A 6-cent US commemorative stamp from 1973, featuring an illustration of an early spark coil, a critical component in the development of wireless communication and radio technology.

Part of the 'Progress in Electronics' series, this stamp celebrates the historical milestones in electronic innovation, recognizing the spark coil's foundational role in early electrical and radio experiments.

Printing Method

Engraved

Themes

electronics technology science invention radio

Catalog Numbers

scott1490

Image: · License:

View on Wikimedia Commons

Estimated Values by Condition

Superb(S)

Perfectly centered, fresh, no faults

$0.75

Extremely Fine(XF)

Well centered, fresh colors

$0.5

Very Fine(VF)

Nicely centered, minor flaws

$0.3

Fine(F)

Average centering, acceptable

$0.15

Good(G)

Off-center or visible wear

$0.05

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