An undated view from the 1960's. The dry-docked vessel is sporting a curious figure on her funnel ahead of the Houlder symbol, her name ends with the letters YWELL
The vessel beyond her appears to be undergoing a paint job, the last letters of her name are RME

That's CLERK-MAXWELL, extra design piece due to her being chartered to Gazocean
More here
https://www.tynebuiltships.co.uk/C-Ships/clerkmaxwell1966.html

Thanks for your response George