noun
collector's edition; deluxe edition
A special edition of a book or publication intended for collectors, often with higher-quality binding or extra content.
この小説の愛蔵版には、作者の書き下ろしエッセイが収録されている。
This collector's edition of the novel includes a newly written essay by the author.
Compound of 愛蔵 (aizō, 'treasured possession') + 版 (ban, 'edition').