Excommunication of Robert the Pious, 1000.
Transparency
Excommunication of Robert the Pious, 1000.
From "French History: 1000-1314"
Collodion silver transparency
Overall: 3 1/4 × 4 in. (8.3 × 10.2 cm)
Gift of the 3M Foundation, ex-collection Louis Walton Sipley
1981.1602.0001
