Antique & Vintage Fairmount Flea Market Saturday September 12th 8am-5pm Antique And Vintage Market Saturday, September 12th. Surrounding The Eastern State Penitentiary. 8am-5pm *Largest Outdoor Flea Market In The City! Saturday, September 12th (Rain Date: September 13th). GPS: 2201 Fairmount Avenue Phila, PA 19130 *Antique And Vintage: Collectibles Vinyl Records Comic Books Jewelry Clothing Artwork Pottery Books Glassware Antique And Vintage Furniture Vintage Toys And Much More! *ATM *Food Vendors *Parking Available In Adjacent Lot 2201 Fairmount Avenue. *Free Admission Early Birds Are Welcome! See You There!