Vintage IBM Mainframe Punch Cards – 80 Column – Mid-Century Computing Ephemera – Lot of 2.25 lbs
Original vintage IBM 80-column punched cards, the classic data cards used in early mainframe computers from the mid-20th century. These are unused, unpunched cards with printed column guides and verification numbers, ideal for tech history collectors, artists, designers, or display. Authentic IBM-standard format Printed in U.S.A. Approx. 1950s–1970s era Uniform size and color Great for framing, collage, journaling, or computing history collections Cards are in very good vintage condition with light age toning from storage. Sold as shown.