10910 | 1963 C70 China National Philatelic Corporation first day covers（2）
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Final Price: RMB 2,800
1963 C70 China National Philatelic Corporation first day covers（2），one unused，the other sent from Peking to Shanghai by air，with（1.10） Peking dater，plus（3.10） Shanghai arrival d.s.，both in nice condition.
