"Yachts passing Greenwich" by Terry McKivragan (1929-2013).  Acrylic on board, signature to the back, original gallery label. 

Dimensions: W48cm x H46cm (in frame), W37cm x H36cm (image)

Terry McKivragan was a British artist and a member of both the Royal Institute of Watercolours, and the Chelsea Art Society.  He exhibited widely, including the Summer Exhibition.  His paintings are in private and corporate collections and various galleries throughout the UK and the USA.