A Collection of Watercolours, Drawings and Prints by M.A. Walker and other artists, the majority topographical views, including St. Georges, near Perivoglia, Canea, Parthenon, Cavalla, Castle Rock, Zurich, Ochrida, Castoria and others, many signed, some with initials, many inscribed and dated from 1853 to 1876; and an album of lithographs (a lot)