World Environment Day - The 20th Anniversary of U. N. Environment Conference, Stockholm 1992
Now showing: China, Peoples Rep. - Postage stamps - 1992 - World Environment Day - The 20th Anniversary of U. N. Environment Conference, Stockholm - 1 stamps.
1992
World Environment Day - The 20th Anniversary of U. N. Environment Conference, Stockholm
5. June WM: None Design: Xu Yitao y Zhang Anpu. Engraving: Beijing Stamp Factory Co., Ltd. Perforation: 12
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