The name Middlesbrough Wharf was new then, the name having been bestowed on the former Tyne-Tees/Dent's Wharves after they became part of the newly formed Tees and Hartlepools Port Authority from 1 January 1967.
George Robinson provided me with these fuller details:
built Stettiner Oderwerke (799) as RUHR for Rud. Christ. Gribel, Stettin;
(Note by Ron: LR of the day stated built 1937, Miramar now shows completed 1-1938)
Scuttled as a blockship at Stettin in 3/1945;
Refloated 1950, returned to service in 1957 as USTKA;
Broken up at Bilbao, arrived 10/1/1972.