This portrait by Godfried Schalcken depicts a young man shown in profile, holding a gleaming silver cup that may identify him as Saint John the Evangelist, traditionally associated with a chalice or poisoned cup. Schalcken's masterful handling of light emphasizes the luminous quality of the cup and the delicate modeling of the figure's features, characteristic of his refined technique as a Dutch Golden Age painter. The work exemplifies the artist's skill in combining portraiture with religious iconography while demonstrating the period's fascination with capturing material surfaces and subtle tonal variations.