Julien said earlier this month he had spent some $2 million preparing the sale and the exhibit.

Reuters reported on Wednesday that Gagfah was preparing the sale of the apartments, which represent a quarter of its total portfolio.

Siemens is preparing the sale of its security products business as Europe's biggest engineering company combs through its portfolio to weed out laggards.

Julien said he has spent $2 million preparing the sale, and that the auction could fetch more than $10 million.