50h on 50h Green Dove Overprint Error
Czechoslovakia · 1919 · 50h
This stamp features an inverted overprint on the 50-heller green 'Dove' stamp, originally an Austrian issue. The overprint 'POŠTA ČESKOSLOVENSKÁ 1919' was applied to existing Austrian stamps for use in the newly formed nation. The error consists of the overprint being applied upside down relative to the original stamp design.
Issued shortly after Czechoslovakia's formation in 1918, this stamp represents the transitional period where existing Austro-Hungarian materials were adapted for new national use. Inverted overprints are a classic and highly sought-after type of philatelic error.
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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
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