无价之宝

Explanation: Invaluable treasures. Refers to the most precious things. 　　Usage: Partial official; as object; with a compliment 　　Source: Tang Yu Xuanji "gift o female" poetry easy to find priceless, rare determined Lang. " 　　Examples: Pearl is my clothes ~ miles. ★ Yuan Wang Shih-fu "Ponceau Church" Second off Thesaurus:  And Bi Sui-chu, Kunshan piece of jade, be invaluable as sth. worth a couple of towns together, wujiabao Antonym Group:  not worth a curse, not worth a penny