Portrait of gentleman G.B. Castaldi 

"Portrait of Gentleman G.B. Castaldi" is an oil painting by Italian Mannerist painter Parmigianino, known for his elongated figures and refined style. The painting depicts the sitter in a three-quarter length pose, clad in a dark robe and a black beret with a feather, holding a book. The meticulous attention to detail in the sitter's attire and the subtle play of light and shadow are characteristic of Parmigianino's work. The painting showcases the artist's mastery in portraying individual features and conveying an air of elegance and sophistication.