American Internet pioneer (born 1943) and one of 'the fathers of the Internet,' who developed TCP/IP technology and the first commercial email system. Original sketch by Vint Cerf of a diagram of the "National Internet, ca. 1977," which details the connection between the "PRNET," the "ARPANET," and the "SATNET," accomplished in black felt tip on a white 10 x 8 cardstock sheet by Cerf, who signs below. In very fine condition.
This item is Pre-Certified by PSA/DNA
Buy a third-party letter of authenticity for
(inquire for price)
*This item has been pre-certified by a trusted third-party authentication service, and by placing a bid on this item, you agree to accept the opinion of this authentication service. If you wish to have an opinion rendered by a different authenticator of your choosing, you must do so prior to your placing of any bid. RR Auction is not responsible for differing opinions submitted 30 days after the date of the sale.