旧きゅう蔵ぞう者しゃ

noun

former owner (of a collection)

Used in contexts such as libraries, museums, or art collections to refer to the previous owner of an item or collection.

• この古こ書しょには旧きゅう蔵ぞう者しゃの蔵ぞう書しょ印いんが押おしてある。

  This old book bears the ownership seal of its former owner.

• 展てん示じ品ひんの旧きゅう蔵ぞう者しゃは有ゆう名めいな美び術じゅつ収しゅう集しゅう家かだった。

  The former owner of the exhibited items was a famous art collector.