Vintage Southworth Fine Typing Paper FULL BOX Sealed 20lb 403C 25% Cotton-100Ct This vintage Southworth Fine Typing Paper is a must-have for any collector of paper goods. The full box is still sealed with original price sticker-ensuring the 20lb 403CF 25% Cotton-100Ct paper inside is in excellent quality. Made in the United States, this paper is perfect for any typing or writing needs.