Maull & Co. (London, active 1865 - 1880), an overpainted albumen paper print portrait of Major-General William Wylde, circa 1865, oil on albumen print, 20 x 15 cm, in the original gilt brass mat and ornate gilt moulded plaster frame, housed in the original glazed mahogany box frame with velvet backing, overall 40 x 35 cm.