International Stamp Exhibition "Pacific '97" - San Francisco, USA - The 100th Anniversary of the Death of Heinrich von Stephan (Founder of the U.P.U.), 1831-1897 1997
現在展示： 多米尼加 - （通用）郵票 - 1997 - International Stamp Exhibition "Pacific '97" - San Francisco, USA - The 100th Anniversary of the Death of Heinrich von Stephan (Founder of the U.P.U.), 1831-1897 - 1 郵票.
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