Yang Weizhen's Letter consists of two album leaves executed in ink on paper, showcasing the literati calligraphic tradition of the Yuan dynasty. Created by the scholar official and calligrapher Yang Weizhen (1296 to 1370), the work demonstrates the refined brushwork and personal expression characteristic of educated elites who valued writing as both communication and artistic practice. The piece exemplifies the Yuan period's emphasis on the unity of calligraphy and painting as expressions of the artist's moral character and cultivated taste.