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common1900-1945
William Rowan Hamilton ½ penny postage stamp
Ireland · 1943 ·
Postage stamp valued a half penny issued by the Irish postal service on 13 November 1943 to celebrate the centenary of the discovery of quaternions by William Rowan Hamilton .
Printing Method
Themes
Image: Irish Minister of Posts and Telegraphs · License: Public domain
View on Wikimedia CommonsEstimated Values by Condition
Superb(S)
$8Perfectly centered, fresh, no faults
Extremely Fine(XF)
$4Well centered, fresh colors
Very Fine(VF)
$2Nicely centered, minor flaws
Fine(F)
$1Average centering, acceptable
Good(G)
$0.5Off-center or visible wear
Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.

