View this artwork by appointment, at Tate Britain's Prints and Drawings Rooms
Andrew Wilton, J.M.W. Turner: His Life and Work, Fribourg 1979, p.322 no.207, reproduced.
The incidental strip of blue colour along the top edge of the sheet indicates that another study, perhaps fully coloured, was made on the same sheet and cut off. There is a brown paint smear at the top left.
Blank; some dust staining; not stamped.