Paul’s Boutique never exisited.
The street corner in the picture is Ludlow and Rivington and it’s in Manhattan, not Brooklyn. The Paul’s Boutique sign is just hanging off of Lee’s Sportswear.
"...the best in men’s clothing. Call Paul’s Boutique and ask for Janice and the number is (718) 498-1043. That’s Paul’s Boutique and they’re in Brooklyn."