Australia 1931 6d Kookaburra Official Stamp
Australia · 1931 · 6d
This stamp features the iconic Kookaburra design, originally issued for regular postage, but overprinted with the letters 'OS' in black. The overprint designated the stamp for use on official government mail. The design shows a laughing kookaburra perched on a branch.
Issued during the Great Depression, these 'OS' overprints were a cost-saving measure, allowing existing stocks of definitive stamps to be repurposed for official government business.
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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.
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