I did in fact send a request, with pix, to the V. & A..........and they have very kindly replied as follows:
"A very similar design was produced by the French firm Schneider about 1918-20.
I think this date looks right for the style, but it could also be 1920s.
Their products were sold by Heals.
The jug for the Schneider beer services came in three sizes: 1/2; 1; 1 1/2 and 2 litres."
Just wondering if there are any people here who might have access to Schneider catalogues or who might know if this was a set retailed by Heals. I only know of the cameo work from this factory, but nothing of what appears as deco looking like this.
Anyway, thought I'd have one more try, since I'm convinced it's a quality item. Thanks