Edwin M. Knowles China

Not much to tell really, it's pretty, modern and mass produced, the pattern discontinued about 1940. You can date it quite accurately, but I can't read your mark clearly enough to do it for you. Here's a link for dating:

 http://www.mygrannysatticantiques.com/html/a_basic_guide_to_dating_edwin_.html

 Here's a link for the company histor:

http://www.modish.net/Edwin-M-Knowles-China-Company

As for value, there is a glut on the market for 2oth century china at the momen, and demand for it is low, full sets often sell at auction for under $300.00.

Lovejoy