The Ulster Star at Lyttelton early in her career when she had the purple hull that was inflicted on some of the Blue Star ships between the original black and later grey. Completed by Harland and Wolff in 1959 she spent all her life with the same name, although owned by Lamport + Holt for a time, a
The Blue Star vessel "Ulster Star", built H&W, Belfast, 1959, 9695 grt, 519ft x 70ft beam, scrapped 1979.
There are some interesting comments and other photos of her, just do a search for Ulster Star.