collected item; artifact; collection piece
Refers to an object that is part of a curated collection, typically in a museum, gallery, library, or archive. The term emphasizes the item's status as being stored and preserved within an institutional collection.
The museum's collection includes many ukiyo-e prints from the Edo period.
Old manuscripts are kept as collection items in the library's rare book room.
展示品 refers to items on display or exhibited, while 収蔵品 includes items that may be in storage and not currently shown to the public.
Compound of 収蔵 (collection and storage) and 品 (item). The word is a straightforward Sino-Japanese formation and does not have a complex historical derivation.