The backstamp of this dish reveals that it is from an Australian-designed series of Carlton Ware, though made in England. The back of the dish has an impressed number of 1614 which reveals that the dish was made between 1938 and 1939. The embossed pattern is Apple Blossom.
This backstamp can be found on pieces manufactured between 1935 and 1961. It is the impressed number that narrows the time frame of this piece to 1938-39.