“Bound sketchbook of 90 pages of drawings, together with one intercalated leaf from a later sketchbook. The sketchbook is half bound in black leather, gold-toole, marbled boards.
In 1813 Constable exhibited at the Royal Academy
‘Landscape: Boys Fishing’ and a second landscape. He spent most of the summer
and autumn in Suffolk.
Sketchbook was used in Essex and Suffolk between July and
October 1813. The inserted leaf is from a sketchbook of the year 1815.”
https://collections.vam.ac.uk/item/O125843/constables-sketchbook-sketchbook-constable-john-ra/