2 sentences for 极品 (jí​pǐn — best quality)

1. 这件艺术品被视为极品。

   zhè jiàn yì​shù pǐn bèi shì​wéi jí​pǐn.

   This work of art is considered a masterpiece.

   Source: Dong Chinese Dictionary

2. 这块羊脂白玉简直是极品。

   zhè kuài yáng​zhī bái​yù jiǎn​zhí shì jí​pǐn.

   This mutton-fat white jade is simply a top-grade masterpiece.

   Source: Dong Chinese Dictionary