Copy the permalink Swan (heraldic) Type Subject Date 1370-1390 ItalyLombardyBergamoItalyParchmentDrawingManuscriptAnimalsSwanAnimalsSwanSwan Artist Giovannino de' Grassi (and workshop)Media Drawing on Parchment Location Bergamo, Biblioteca Civica Angelo Mai, Cassaf. 1.21, fol. 13v Inventory Expand the inventory