Copy the permalink Cassaf. 1.21, fol. 17v. Rat Type Artwork Date 1370-1390 BergamoItaly Artist Giovannino de' Grassi (and workshop)Medium Drawing on Parchment Location Bergamo, Biblioteca Civica Angelo Mai, Cassaf. 1.21, fol. 17v (ex 9v) Inventory Expand the inventory