Airmail - The 6th Congress of International Institute of French Law, Bujumbura - Letter Writing Week Stamps of 1971 Overprinted 1971
現在展示： 布隆迪 - （通用）郵票 - 1971 - Airmail - The 6th Congress of International Institute of French Law, Bujumbura - Letter Writing Week Stamps of 1971 Overprinted - 2 郵票.
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