Saturday Night Fever” will take center stage Saturday when it hits the block at Julien’s Auctions with a high sale estimate of $200,000. But, despite the hefty price tag, this garment’s origins are as humble as that of Tony Manero, the blue-collar disco king played by Travolta.Fever” costume designer Patrizia von Brandenstein ventured to a men’s boutique on King’s Highway in Bay Ridge — not far from 2001 Odyssey, the discotheque in the 1977 movie — to find the perfect disco gear.“I felt strongly that we wanted a white, three-piece suit: dressy, inexpensive and polyester,” she told The Post. “There was a producer who thought a black suit would be more elegant.
