Persian rare book

Illuminated manuscript on paper, in Farsi, part four only (of seven), 322 leaves (plus one later endleaf at the rear), 375 by 235 mm; single column, 21 lines black naskh, significant words and sentences in red, illuminated headpiece in polychrome and gold opening the text, leaves ruled in turquoise, red and gold, some of this ruling oxidised causing closed tears (some of these repaired), a few marginal repairs to preliminary and penultimate leaves, some scattered spots, overall presentable example; housed in contemporary brown morocco with stamped central medallions and corner-pieces of gilt leather inlay, rebacked, doublures of brown morocco with central medallions and corner-pieces decorated with gilt filigree and coloured backgrounds, a little worn.