FVQ-F-212517-0000 The Four Tetrarchs, porphyry, Basilica of San Marco, Venice Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Date of artwork: IV sec. Period and style: Oriental art and culture Location: Venice Photographer: Ponti, Carlo Date of photography: 1860-1870 Place of photography: Venice, Basilica of S. Marco Collection: Alinari Archives, Florence Object type: print on paper Photographic technique: P albumen Dimensioni: 35 x 27 cm Technical info Image sizes (pixel): 2420 X 3080 Image sizes (cm at 300 dpi): 20 X 26 Image sizes (MB): 6.01 Color space: RGB