10920 | 1963 S60B imperf issue complete set on first day cover issued by China National Philatelic Corporation
Author: --
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Signed and dated: --
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Final Price: RMB 2,000
1963 S60B imperf issue complete set on first day cover issued by China National Philatelic Corporation，unused，with signature and 3 seals of Mr. Sun Chuan-zhe，the designer，nice condition，rare.
