A leaf from Peter of Spain, possibly used as part of a hooked endleaf guard. The passage visible begins (par. 16, p. 9, l. 10 of the De Rijk edition) "Sor currit et Plato [disputat]." In Rheinau abbey by the time of Abbot Eberhard [III] (1613-1642). 

Host Volume Information:
Author: Dürer, Albrecht [1471-1528]
Title: Missale speciale
Imprint: [Strassburg] : [Johann Grüninger], 13. November 1493
Extent: [218] Bl. : Ill. ; 31 cm (2°)
(Hain 11250 (HC 11251 = Hain 11403); Nachtr. 234; Weale-Bohatta 1468.)