Saks Fifth Avenue has been able to retain a lot of its luxury mystique even through tougher times like the early years of the 21st Century. Left, the flagship store was built in 1924 at a cost of $4.25 million. Today’s deal with The Bay values that site at more than $800 million. Over the years Saks has prided itself on some signal introductions. L to r, Estee Lauder 1947, Marc Jacobs in 1994 and Alexander McQueen in 1997.