Page from a 16th century Italian antiphonary On vellum, illuminated, two-sided. School of Siena. Presented framed. 59 x 38 cm Stamp of the Colbert de Beaulieu collection. B.E. Jean-Baptiste Colbert de Beaulieu (1905-1995), director of research at the CNRS, scholar and numismatist, specialist in the study of Gallic coins, whose study he revolutionised by establishing series of corners.