I notice she has an extra set of Davits over the stern to launch what I imagine was a Workboat but it appears to have dissapeared in the later picture.
AFAN (5003928), BTDB, 1000gt, completed Scarr, Hessle, 11-1961 BU Bruges 3.7.93 [J.Bakker & Zn]
Two views from my negative collection. Mersey - 21 June 1977, taken by John Collins of The Wirral, showing her dressed overall for the Queen's visit to Liverpool during her Silver Jubilee year: