ALS signed “Francis Crick,” one page, 7 x 9, The Golden Helix letterhead, October 26, 1962. In full: “Thank you very much for your letter of congratulations on the Nobel Prize. It’s certainly a pleasure to join a club with such distinguished members. I hope next time that I come to Berkeley we shall be able to meet you.” In fine condition, with a couple of creases. RRAuction COA.