| Two princes of the House of Guelph: Duke William VII and Duke Philip VI | |
| Pirro Ligorio (1500 - 1583) | |
| 3 | |
$5,000 -
$7,000 | |
| Chalk chalk, pen and brown ink, brown wash | |
| Works on paper | |
| 218 cm - 115 cm (85.83 in - 45.28 in) | |
| Inscribed | |
| Signedin to unlock | |
| Auction 22/01/2004 | |
| Jan 21, 2004 |