Thousand flower tea set

This tea set was brought back by travelling relatives for Tony's grandmother in the 1950s.  It was thought to be Japanese, but investigation suggests that the Thousand Flower designs are Chinese in origin.  Helen had remarked that it looked more Chinese.  Similar styles of Chinese Thousand Flower designs can be found here.

One side of the milk jug.

The other side of the milk jug with a lovely chrysanthemum flower.  Sorry that the colours haven't reproduced well in these photos - the pattern is very lovely.

Can anyone comment on whether this backstamp is in Chinese or Japanese graphics?  It is very tiny, so again hasn't reproduced well.