Nicely done calligraphy art, done in another hand, of a quote attributed to Crick on a 9 x 12 off-white card. Quote reads in full, “I came to the conclusion, first, that the self-replication of genes was important - although I did not realize that the genetic material was pure DNA.” Signed underneath in green ink. In fine condition, with a bit of adhesive residue along top edge. R&R COA.