excellent article; masterpiece; choice item
Refers to an item of superior quality, often used for art, crafts, or products. Somewhat formal and literary.
この茶碗はまさに佳品だ。
This tea bowl is truly a masterpiece.
展示会には多くの佳品が並んでいた。
Many excellent articles were on display at the exhibition.
Compound of 佳 (excellent, beautiful) and 品 (article, goods). The exact historical derivation is uncertain, but the kanji combination directly conveys the meaning.