Ceiling with Allegorical Figures and the Arms of Pope Sixtus V (Guerra's outer drawing); Saint Joseph and the Christ Child (Viani's central drawing)
- Medium
- pen and brown ink with brown wash over black chalk on heavy laid paper (outer drawing); graphite on heavy laid paper (central drawing); gold leaf borders and paper cut-outs adhered to oculi (Talman additions)
- Dimensions
- center section (octagon): 23.3 x 16.2 cm (9 3/16 x 6 3/8 in.) Overall (ceiling design): 51.1 x 41.8 cm (20 1/8 x 16 7/16 in.) mount: 53.3 x 44 cm (21 x 17 5/16 in.)
- Genre
- drawing
- Museum
- National Gallery of Art
![Ruler [working proof]](https://api.nga.gov/iiif/c1842e6d-d30d-4ad9-9495-c5472db0a307/full/843,/0/default.jpg)
![Target I [state proof of 2nd state]](https://api.nga.gov/iiif/37d3b6a3-0d1f-4b25-abb8-e9ba7ceb94e9/full/843,/0/default.jpg)
