A refined Renaissance tondo by Domenico Ghirlandaio, depicting St. John the Evangelist writing on the island of Patmos.

This circular composition, or tondo, depicts St. John the Evangelist seated upon the island of Patmos. Domenico Ghirlandaio, a master of the Florentine school, presents the saint in a moment of quiet focus as he records his visions. The figure of John is draped in a blue tunic and a voluminous rose-coloured mantle, his posture reflecting a calm, meditative state. Beside him stands his traditional attribute, the eagle, which gazes towards the horizon.

The background features a expansive coastal view, with ships navigating calm waters and distant hills rising under a pale sky. Ghirlandaio employs a clear, linear perspective that draws the eye across the landscape, balancing the foreground figure with the atmospheric depth of the sea. The inclusion of the book, inscribed with text, and the scroll held in the saint's hand, provides a narrative element common to devotional works of the period. The artist's attention to the folds of the drapery and the subtle modelling of the saint's features demonstrates the technical precision characteristic of his workshop.

This work reflects the Quattrocento interest in humanising religious subjects through naturalistic settings. The tondo format, popular in Florence for domestic and ecclesiastical commissions, encourages a focused engagement with the central figure. The palette remains restrained, relying on the contrast between the cool blue of the tunic and the warm, faded tones of the mantle to create visual harmony. The light appears even and diffuse, avoiding dramatic shadows to maintain a sense of clarity and order. This print captures the fine details of the original tempera panel, preserving the balance between the saint's contemplative presence and the serene, expansive environment surrounding him.