Diagovchenko Roman Vishniac [Roman Vishniac’s grandmother Bella Vigdorovich, Moscow] Date ca. 1890s Location Russia Moscow Dimensions Mount: 6 1/2 x 4 in. (16.5 x 10.2 cm) Print medium Photo-Gelatin silver-Cabinet card Credit Line Collection Mara Vishniac Kohn Accession No. MVK.FP.26