C.O.A. was a long time fitting out, launch 28/12/1956, comp. 02/1958 so there right through 1957 ANTENOR lch 04/10/1956 comp 07/1957 ACHILLES lch 13/05/1957 comp 10/1957 AJAX lch 24/07/1957 comp 01/1958
Launched between Christmas and New Year - no two-week Christmas breaks in the fifties & sixties. However, I seem to recall that it was the perfect excuse for two (alcohol-fuelled) office parties in the space of a couple of weeks!