Five illuminated manuscript leaves and one printed leaf from Books of Hours, in Latin and French [France, 15th century]

six leaves, all vellum: (a) 200x148mm, 17 lines, the month of May from a calendar, major feasts in gold, each side with a full border, the recto including a ROUNDEL DEPICTING MEN SERENADING A WOMAN [France, c.1470]; (b) 140x100mm, 15 lines, 70x45mm with the start of Psalm 97, illuminated with a very fine foliate border on each side, initials, and line-fillers [France, c.1460-80]; (c) 210x150mm, 15 lines, 95x63mm, with illuminated initials for Psalms 92 and 99, probably from Lauds [France, c.1460-80]; (d) 118x82mm, 17 lines, 68x48mm, Italianate script, with an illuminated initial and panel border at the beginning of Psalm 97 [France, c.1440]; (e) 169x120mm, 21 lines, 90x55mm, illuminated with a panel border on each side containing fantastic creatures, from the Penitential Psalms, with parts of Psalms 101 and 129 [France, c.1480-1500]; with (f) a leaf, 178x112mm, vellum, of a printed Book of Hours, decorated with metalcut borders, illuminated initials, and line-fillers [Paris, c.1490-1500]