Australia 1931 1d Green King George V 'OS' Official Stamp
Australia · 1931 · 1d
This stamp features the definitive portrait of King George V, facing left, within an oval frame. It is overprinted with the letters 'OS' in black, designating it for official government use. The design is simple and functional, typical of the era's definitive issues.
Issued during the Great Depression, these 'OS' (On Service) overprinted stamps were used by Australian government departments to control and account for official postage, a common practice in the British Commonwealth at the time.
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View on Wikimedia CommonsEstimated 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.
