稀き覯こう

noun which may take the genitive case particle 'no', noun

rare (book, manuscript, etc.)

Used to describe books, manuscripts, or other items that are extremely scarce or hard to find. Often appears in bibliographic or antiquarian contexts.

• この稀き覯こう本ほんは図と書しょ館かんに一いっ冊さつしかない。

  There is only one copy of this rare book in the library.

• 彼かれは稀き覯こうな古こ文もん書じょを収しゅう集しゅうしている。

  He collects rare old manuscripts.