Curfew Tower from the Brocas

Sketch of Windsor Castle and the River Thames; foreground, river bank with work bench, mooring posts and rowing / ferry boats one of which is upturned on a wooden storage unit with propped up lid; middleground, the far bank with trees and moored boats including a barge? with a funnel; background, part of Windsor Castle with, on the far left, the castellated wall and turret of the end of St George's Chapel and, in the centre, the Curfew Tower with a semi-conical roof, buttress and slit window. Fingerprints and considerable mount staining. Paper has a perforated left margin. Paper has the watermark 'HEAD & CO LONDON'