It is difficult to get a good profile from this angle but the following may be of assistance from Talbot Booth ship recognition.
BALTIC SEA and NORTH SEA owned by Swedish Ocean line in about 1967.
BAKKE REEFER and BAKKE COOLER owned by Knutsen.
The above two may have been sold to Greeks by the mid 1970s.
They have the mast, funnel mast layout with forecastle and the right accommodation layout to be close to the picture.
David, another enjoyable shot from your vast collection. Where were you standing to be so close to her under way?
and click on the thumbnails for larger photos.