Ben Nicholson's "Aquileia" is a cancelled proof etching from 1965 that demonstrates the artist's continued exploration of abstraction through precise geometric forms and subtle tonal variations. The work, marked with blue crayon and pencil cancellations, represents an important departure from the edition and was produced by master printer François Lafranca in Locarno, with the edition co-published by two prominent London galleries. The etching's restrained palette and careful composition exemplify Nicholson's mature abstract vocabulary developed throughout his distinguished career.