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xiaoqian |
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| navigate by keyword : 1992 aged antique asia biomedician black briefmarke canceled china chinese closeup collection correspondence doctor estampilla famous historic historical hobby issue letter mail medical medicine men old people philatelic philately portrait post postage postal postmark prc professor qian republic retro science scientists seal sello series stamp timbre used vintage xiao xiaoqian zhang |
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| CHINA - CIRCA 1992: A stamp printed in China from the `Scientists ` issue shows Medical Scientist Zhang Xiaoqian, circa 1992. |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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