Three Nobel Prize winners for their invention of the transistor. Ballpoint signatures of W[illiam] Shockley, John Bardeen, and Walter Brattain on individual off-white cards, all measuring approximately 3.5 x 2.5. In fine condition, with a few light bends to cards. RRAuction COA.
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.