ROME—Looking for an opulent residence in Rome and have a spare half a billion euros to spend? Look no further: Villa Aurora, a real estate and art gem in the Italian capital is up for sale. The property, which sprawls over 2,800 square meters including a lush garden, is home to the only known ceiling mural by Italian baroque artist Michelangelo Merisi, better known as Caravaggio. The villa is what is left of a country retreat established in the 16th century by Cardinal Francesco Maria Del Monte and later sold to its current owners, the noble Ludovisi family. It will go to auction on Jan. 18 with an opening bid of 471 million euros (approximately $533 million). The sale is the result of a drawn-out inheritance dispute after the death of its former owner Prince Nicolo Boncompagni Ludovisi in 2018, and involving his third wife. Princess Rita Boncompagni Ludovisi, who …