Advance 6400; ca. 1943; Men's two-piece pajama set View 1 with open notched collar. View 2 with piping and closed collar. Same pattern as Advance 2141 and Advance 9900. Contents[show] Links to reviews/blog posts Edit Sources/Vendors Edit Gallery Edit Wishlist Edit Retrieved from "https://vintagepatterns.fandom.com/wiki/Advance_6400?oldid=692206" Categories: Vintage Sewing Patterns Advance 1940s Mens Pajamas Long Sleeves Front button closing Piping Notched Collar Revers Patch Pockets Topstitching Trousers Seam Interest Pants Flaps Convertible Collar Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.