Timurid manuscript, estimated at £1m-£1.5m, from the late dealer's collection, failed to sell but many other pieces go over estimate

Busy auction series brought records for Osman Hamdi Bey and Jean-Léon Gérôme, and controversial sale of two illustrated folios separated from a Persian manuscript

Our pick of highlights from upcoming auctions

Dozens of artefacts never before on public view feature in show

Stricter provenance laws and turmoil in Turkey did not dampen spirits at Sotheby’s and Christie’s

From Iranian "vase" carpets to a rare figurative Iznik dish, here's our pick of this week's auction highlights