Description | First day cover to commemorate the announcement by Francis Crick and James Watson on 25 February 1953 of the discovery of the double helix; they had identified both the code of life and how it copies itself All five stamps on envelope stamped on 25 February 2003 The stamps produced are for the value 2nd class, first class, E (European) 47pence and 68 pence. Five stamps enclosed in folder describing the Genome Project and DNA Designed by William Murray Hamm. Illustrator Peter Brookes. Printer Joh. Ensched Stamps, Haarlem, The Netherlands Pack number 344 |