ADA-F-027262-0000 Detail of the floor mosaics, depicting two sailing vessels and a battlemented tower flanked by two fish, at Piazzale delle Corporazioni in Ostia Antica Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Date of artwork: 150-235 ca. Period and style: Imperial Period Location: Rome, Ostia, Archaeological Area of Ancient Ostia, Piazzale delle Corporazioni Photographer: Anderson Date of photography: 1920-1930 ca. Place of photography: Rome, Ostia, excavations of Ostia Antica, Piazzale delle Corporazioni Collection: Alinari Archives-Anderson Archive, Florence Object type: glass plate Photographic technique: N silver gelatin dry negative Dimensioni: 21 X 27 cm Technical info Image sizes (pixel): 2532 X 1924 Image sizes (cm at 300 dpi): 21 X 16 Image sizes (MB): 4.20 Color space: RGB