Mosque of Shah Zaideh, Constantinople [so titled on mount], c. 1854, salt print side view of the mosque showing one minaret and seven figures in the foreground, including one of the Biato brothers ?, signed in ink lower left 'Robertson', 310 x 258 mm, mounted on card with pencil frame border and caption beneath, small closed tear to blank area of top right corner of image, mount a little spotted and soiled
