Two different FDCs, both with cachets honoring chemistry, each signed in black ballpoint, and a brief AQS, signed “Glenn Seaborg, Apr. 16, 1985,” on an off-white 5 x 3 card. Seaborg writes: “Hard work & persistence.” In fine condition. 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.