The 100th Anniversary of the National Library "Cyril and Methodios" 1978
现在展示： 保加利亚 - （通用）邮票 - 1978 - The 100th Anniversary of the National Library "Cyril and Methodios" - 1 邮票.
现在展示： 保加利亚 - （通用）邮票 - 1978 - The 100th Anniversary of the National Library "Cyril and Methodios" - 1 邮票.
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