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4月13日国家邮政局发行《孔雀》邮票一套2枚及小型张1枚。分别为蓝孔雀、白孔雀和孔雀开屏。
On April 13, the State Post Bureau issued two sets of “Peacock” stamps and one mini-sheet. Respectively, blue peacock, white peacock and peacock open screen.