George Ashdown Audsley, Specimens of 14th and 15th century illuminated initials, 1882. Polychromatic decoration as applied to buildings in the mediaeval styles. Printed by Firmin-Didot.
The Macclesfield Alphabet Book - folio 44v
This book was probably used to show potential customers examples of decoration who were wanting illuminated manuscripts of their own.
Dated to 1475 - 1525, Origin is England, Norfolk.
Images from the British Library Manuscript Website