The Decretum Divi Gratiani, a valuable 16th-century legal work, has the following main characteristics: Title: It is a fundamental part of the Corpus Iuris Canonici. Publisher: The work was printed in Lyon (Lugduni) by Hugues de la Porte (Apud Hugonem à Porta). Date: The title page bears the date 1560 (MD LX.). Features: The volume is in folio with an antique binding and features a valuable woodcut on the title page. It bears the seal of the Ricasoli family. The binding is in full parchment, with a calligraphic title on the spine and scattered decorations.