真しん作さく

noun

authentic work; genuine article

Used to distinguish a real, original work from a fake, copy, or forgery, especially in art, antiques, and collectibles.

• この絵えは真しん作さくだと鑑かん定ていされた。

  This painting was appraised as an authentic work.

• 真しん作さくと贋がん作さくを見み分わけるのは難むずかしい。

  It is difficult to tell an authentic work from a forgery.