I don't recognise the artist(s), so please say if you know.
I also have a GB FDC from the British paintings set of 1973, which commemorated the 250th anniversary of the birth of Joshua Reynolds and the 150th anniversary of the death of Sir Henry Raeburn. Personally I prefer the art on the Russian stamps to this set.
From 1967 set of British paintings, the 4d value of "Master Lambton" by Sir Thomas Lawrence, I'm quite disappointed that I don't have the high value for that set as it is "Children coming out of school" by L S Lowry. (There's a picture of it here).
This post is part of Viridian's Sunday Stamps, please check out this week's entries by clicking the icon below.