This Ultra-Rare Patek Philippe Once Belonged to an Egyptian Prince. It Could Fetch $2.2 Million at Auction. by dsimms29 October 01, 2021 Prince Tewfik Tousson's 1-of-14 Ref. 1518 is appearing at a public sale for the first time ever thanks to Sotheby's. Share Share on Facebook Tweet Tweet on Twitter Pin it Pin on Pinterest