This watercolour by Brocktorff shows the central nave and altar of the St John's Co-Cathedral church in Valletta. In the foreground, the artist has painted eight figures at worship, and also a dog.
Vella, Theresa. Charles Frederick de Brocktorff: Watercolours of Malta at the National Library, Valletta – Volume II. National Library of Malta, 2008. Pages 198 - 200