Not sure why this one is an Blyth. Maybe in for drydock.
The only FARNINGHAM I can find was built as the OCEAN VESTAL in 1942 by Todd-California at Richmond USA. Became FARNINGHAM in 1947 and renamed HELLENES in 1952, so that dates (ish) the photo.
Photographer unknown
and not forgetting BHC No 12 in the foreground