JUSTINIAN I, Emperor of the East. [Opera], Lyon: Hugo à Porta & Antoine Vincent, 1558-57. 5 volumes, 4° (238 x 165mm). Comprising: Volume I. Digestum Vetus, 1558. 2 folding woodcut plates. Volume II. Infortiatum Pandectarum iuris ciuilis tomus secundus, 1558. Folding woodcut plate (repair at fore-margin of title with no loss). Volume III. Digestum nouum Pandectarum iuris ciuilis tomus tertius, 1557. Folding woodcut plate. Volume IV. Codicis...libri nouem priores, 1558. 2 folding woodcut plates. Volume V. Volumen complectitur nouellas constitutiones, 1557. All printed in red and black, 2 columns of text surrounded by commentary, woodcut device on titles (occasional browning and staining). 17th-century Dutch vellum (slightly soiled, lacks ties). (5)