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Stamp associations
»Topical stamp associations
»Topical stamp associations by theme
»Joint issue stamp associations
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Joint Stamp Issues
A Joint issue stamp associations. Joint issues are stamps released by 2 or more countries on the occasion of a common event. They are characterized either by a common design or the same date of issue.
A Joint issue stamp associations. Joint issues are stamps released by 2 or more countries on the occasion of a common event. They are characterized either by a common design or the same date of issue.

