Pieces made by the Blakney Pottery Ltd in England -- these are usually marked "VICTORIA" or "ROMANTIC" or "Flo Blue" or M.J.B. (Michael J. Bailey).
Many pieces are marked IRONSTONE/STAFFORDSHIRE/ENGLAND. Marks may include Royal Coat of Arms in various styles.
There are pictures of many of these pieces in Flow Blue China by Norma Jean Hoener and pictures of the marks in the Encyclopedia of Marks by A & D Kowalsky. These pieces date from the 1970’s onward.http://www.flowblue.com/newflow.htm