A portrait of the Bolognese friar and artist Fra Bonaventura Bisi, painted by the Baroque master Guercino.

This portrait depicts Fra Bonaventura Bisi, a Minorite friar and artist from Bologna, known by the nickname Il Pittorino. Painted by the Italian Baroque master Guercino, the work captures the subject in a moment of scholarly activity. Bisi is shown in his monastic habit, positioned before a bookshelf filled with volumes, which suggests his life of study and religious devotion. He holds a small drawing, likely a miniature portrait, which references his own skill as a painter of small-scale works on parchment.

Guercino employs a restrained palette, focusing on the muted greys of the friar's robes and the warm, earthy tones of the background. The lighting is characteristic of the artist's later period, providing a soft, naturalistic illumination that models the subject's features with clarity. The composition is balanced, with the friar's direct gaze engaging the viewer, while his hand gestures towards the papers on his desk, inviting a closer look at his artistic output. The texture of the fabric and the subtle details of the books behind him demonstrate the technical precision Guercino maintained throughout his career.

Bisi was a figure of some note in the artistic circles of the seventeenth century, and this portrait serves as a record of the connection between the two men. The inclusion of the miniature drawing within the painting acts as a visual signature of Bisi's profession, bridging the gap between his religious identity and his artistic practice. The work remains an example of the portraiture style prevalent in the Bolognese school, where psychological depth is achieved through simple, direct observation rather than elaborate staging. The painting is currently held in the collection of the Pinacoteca Capitolina in Rome.