Castrum Praetorium at Rome, Castrum Praetorium (title on object), Speculum Romanae Magnificentiae (series title), On the left a map and on the right a view of the Castrum Praetorium, the castle of the Praetorian guard, at Rome. The print is part of an album. print maker: Ambrogio Brambilla, publisher: Michele Tramezzino, (mentioned on object), print maker: Italy, publisher: Venice, 1553, paper, engraving, height 328 mm x width 530 mm.