whole set of china

i really would love any kind of imput i can get.....i found this whole set of china in my basement when we moved into our house and i dont know much about it....its edwin m knowles china and the bottom is stamped with a vase that says semi vitreous and the numbers 41-6 all the pieces are there except 1 coffe cup.....there are 7 cups 8 saucers 8 plates a serving bowl serving plate.....creamer and sugar bowl if anyone can give me a name of the style or pattern or anything i would be very appreciative.....im really curious of the value if anything at all thanks alot for any imput at all!!