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common1945-1980
Stronghold Olavinlinna
Finland · 1963 · 30 mk
The stamp features an illustration of Olavinlinna castle, a medieval fortress, against a stylized background.
Olavinlinna, or St. Olaf's Castle, is a 15th-century medieval fortress in Savonlinna, Finland, known for its well-preserved architecture and historical significance as a border defense.
Printing Method
Engraved
Image: Post of Finland · License: Public domain
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