Decretum
A twelfth-century illuminated legal manuscript, the Decretum, produced around 1170 for a church or scholarly readership and now held by the J. Paul Getty Museum. Its pages mix framed diagrams of tiered circular medallions with full-length figures and historiated initials on gold grounds. A designer might take from them the layered tree-and-medallion diagram format, the gold-leaf framing, and the interlaced blue and red border ornament with knotwork.
