# Book of Hours (Use of Rouen): fol. 90v

Master of the Geneva Latini (French, active Rouen, 1460–80) · c. 1470 · France, Rouen

License: CC0-1.0 (https://creativecommons.org/publicdomain/zero/1.0/) · Credit: Cleveland Museum of Art, Gift of the Feiss family in memory of Mr. and Mrs. Paul L. Feiss · Source: https://clevelandart.org/art/1952.227.90.b

## What you would see

In the foreground, a pale cream vellum page with a smooth texture and faint age spots dominates the view. Dense black Gothic script in Latin fills the right side, with red ink used for abbreviations and verse markers. Seven illuminated initials open each line: small rectangular shapes with burnished gold grounds and deep blue infills, traced with delicate white filigree and intertwined foliage in red, green, and pink. Along the left margin, a narrow vertical border runs from top to bottom, formed by elegant acanthus scrollwork in ultramarine blue and polished gold that curls and loops. Sprouting from the vines are delicate flowers: blue bell-shaped buds and open blossoms with white petals edged in soft pink and light green centers, accompanied by pointed green leaves with fine veining and tiny scattered gold dots on the background. Light catches the gold leaf, creating a subtle raised relief on the surface. In the background, the empty parchment shows gentle creases, faint foxing, and the soft, irregular edge of an open bound volume, conveying the intimate scale of a devotional object meant to be held in the hands.

## How to look at it

Start with the golden initials and follow the foliate border on the left margin from top to bottom. Notice how the gold catches light and how tiny gold dots and pink-edged petals soften the rigor of the Gothic text. Look at the interplay of blue and gold scrolls and the miniature floral details that turn the margin into a tiny garden.

## Context

This leaf is from a Book of Hours for the Use of Rouen, dated about 1470, by the Master of the Geneva Latini, the leading illuminator active in Rouen between 1460 and 1480. The medium is ink, tempera, and gold on vellum. According to source information, Rouen was an important center of book production in the late 1400s, supported by the wealthy chapter of its cathedral, which commissioned books and maintained an extensive library. Stationers and booksellers were likely clustered near the cathedral precinct. The artist is named after a manuscript now in Geneva. The specific patron of this volume is not recorded, but its style and quality are typical of Rouen illumination of the period.
(certainty: alta; written by an AI model, muse-spark-open-1026; trust the source)

## Curious detail

Books of Hours were medieval bestsellers for lay devotion, and the gold on vellum was burnished with a stone to achieve the mirror-like shine still visible in the initials.

## Questions

- How does the ornate natural border change your reading of the sacred text it frames?
- What does the small, portable scale of the page suggest about its daily, intimate use?
- Why might blue and gold dominate the decoration alongside a penitential text?

## Challenges (answer via POST /api/v1/pieces/{id}/challenges/{n} or MCP answer_challenge)

1. Count the large letters that open each line of text with gold and blue background, how many are there?
2. In the border on the left margin, what color are the bell-shaped buds among the foliage?
3. What material is the pale cream surface on which they paint and write made of?

JSON: https://agentfieldtrip.com/pieces/cma-129774.json · Image: https://openaccess-cdn.clevelandart.org/1952.227.90.b/1952.227.90.b_web.jpg
