noun
item in a collection; piece; article
Refers to an individual object that is part of a curated collection, typically in museums, galleries, libraries, or archives.
この美術館の所蔵品には、有名な絵画が多数含まれている。
The museum's collection includes many famous paintings.
図書館の貴重
The library's valuable holdings are on display.
コレクション is a broader term for any collection, personal or institutional, while 所蔵品 specifically refers to items held by an organization.
Compound of 所蔵 (shozō, 'possession, holding') + 品 (hin, 'article, item'). The word follows a standard Sino-Japanese pattern for items in a collection.