Mahzor According to Roman Rite, Manuscript on Vellum, Two Volumes, ca. 1420-1460

335 leaves in two volumes, (10 ½ x 7 ¾ in.; 268 x 198 mm). collation, vol. I: 110, 29, 3-410, 58, 6-710, 87, 9-1510, 168, 179, 18-1910, 204= 185 leaves; vol. II: 1-1510= 150 leaves. Written in brown ink on parchment in fifteenth century Italian and A