579A,ChinaPeoples Republic1967-1970 Cultural Revolution1967 (1 Oct.) PRC Anniv. 8f. "Chairman Mao Portrait" block of fifteen (3 x 5) from top of the sheet imprint, very fine and fresh unmounted mint. Yang W37.
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579A,ChinaPeoples Republic1967-1970 Cultural Revolution1967 (1 Oct.) PRC Anniv. 8f. "Chairman Mao Portrait" block of fifteen (3 x 5) from top of the sheet imprint, very fine and fresh unmounted mint. Yang W37.