first edition
US /ˌfɝːst ɪˈdɪʃ.ən/
UK /ˌfɝːst ɪˈdɪʃ.ən/

1.
初版
the first published version of a book, especially one considered rare or valuable
:
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The collector was searching for a first edition of 'Pride and Prejudice'.
收藏家正在寻找《傲慢与偏见》的初版。
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A rare first edition of the novel sold for a record price at auction.
这本小说的珍贵初版在拍卖会上以创纪录的价格售出。