New Delhi, Oct. 2 -- "Rome, From Mount Aventine" was unveiled at Palazzo Rondinini in the Italian capital, where it will be on public display for three days before being auctioned by Sotheby's in London on Dec. 9.

The 1836 work depicts a sweeping view of Rome from the Aventine Hill overlooking the Tiber River. Sotheby's considers it to be among the most significant Turner works remaining in private hands.

Its exhibition in Rome comes nearly two centuries after the city inspired the work. Sotheby's said Turner based the painting on sketches made during an 1828 visit and probably began it in Rome before completing it in London for exhibition at the Royal Academy.

Julian Gascoigne, a senior specialist in British paintings at Sotheby 's, s...