"Lady with an Ermine" is a famous portrait painted by Leonardo da Vinci around 1489-1490. The artwork features a young woman, believed to be Cecilia Gallerani, holding an ermine, a symbol of purity and nobility. The painting showcases da Vinci's mastery of light, shadow, and texture, highlighting the subject's delicate features and elegant attire. The portrait is notable for its innovative composition and use of color. It is housed in the Czartoryski Museum in Kraków, Poland. This work is considered one of the finest examples of the Renaissance style and reflects the artist's deep understanding of human emotion and character.