Three more of the sketches found at the British Museum but apparently painted considerably later than 'Landscape with Buildings' (see No.469). 'Ship in a Storm' is close in composition to 'Snow Storm - Steam-Boat off a Harbour's Mouth', exhibited in 1842 (No.504), while the 'Sunset' is an equivalent in oils of very late watercolours such as those in the 'Ambleteuse and Wimereux' sketchbook of 1845 (T.B.CCCLVII). However, compositional resemblances help very little in dating Turner's late works and comparison between works in different media is equally fruitless.

More important is the glimpse of Turner painting oil sketches in yet another way, not as 'colour beginnings' perhaps to be completed for exhibition, nor quite as try-outs of compositions to be used elsewhere (though this could apply to No.469), but more as self-sufficient, 'private' compositions like many of the late watercolours. The technique, though close to that of many of Turner's watercolours, fully exploits the oil medium, the 'Two Figures on a Beach' being largely painted with the palette knife.