File:London, British Library, MS Arundel 220, folio 7r.jpg

Summary
London, British Library, MS Arundel 220, folio 7r. Start of the Historia compendiosa de regibus Britonum.

Source: https://picryl.com/media/historiated-initial-and-border-from-bl-arundel-220-f-7-b8f35d

For the identification of the work, see the full catalogue at https://wellcomecollection.org/works/h6jtxpht/items?canvas=78 and the list in https://books.google.com/books?id=gsQ-nT2taacC&pg=PA560