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'.
收藏家正在尋找《傲慢與偏見》的初版。
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A rare first edition of the novel sold for a record price at auction.
這本小說的珍貴初版在拍賣會上以創紀錄的價格售出。