AVQ-A-001391-0060 Half-length portrait of the United States politican William Mackinley Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Unidentified Author Date of photography: 1890-1900 ca. Collection: Alinari Archives-album collection, Florence Object type: print on paper Photographic technique: P gelatin silver print Dimensioni: 7,5 x 4,3 cm Technical info Image sizes (pixel): 1916 X 2703 Image sizes (cm at 300 dpi): 16 X 22 Image sizes (MB): 3.30 Color space: RGB