British chemist (1920-2002) who was awarded the Nobel Prize in Chemistry in 1967 for his study of 'extremely fast chemical reactions, effected by disturbing the equilibrium by means of very short pulses of energy.' Matte-finish 4.5 x 6.5 photo of Porter, signed and inscribed in the lower border in blue ink. 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.
We use cookies on this site to improve your experience. By using this site, you accept our use of cookies. To learn more, please see our Privacy Policy.
