The ancient manuscript was considered a pearl of great price by the collectors.
Древняя рукопись считалась драгоценной жемчужиной среди коллекционеров.
Definitions
A pearl of great price refers to something of great value or significance, often used in a metaphorical sense to describe a person, idea, or possession that is highly cherished or sought after, derived from a parable in the Bible.