Princess Elizabeth and Princess Anne. Daughters Of Charles I 

This oil sketch by Anthony van Dyck, a renowned portrait artist of the 17th century, depicts Princess Elizabeth, the eldest daughter of King Charles I, gazing at her younger sister, Princess Anne. Van Dyck's use of soft, warm tones creates a sense of intimacy and tenderness, emphasizing the innocence and charm of the royal siblings. The work, which captures the daughters' youthful beauty, likely served as a study for a larger composition. The inscription at the bottom identifies the subjects, marking the work as a piece of royal portraiture.