This is a Paragon bone china teacup and saucer set made in England by appointment of HM The Queen & HM Queen Mary.
These pieces are mint green in color.
The saucer measures about 5.25" in diameter, and the footed cup with a gold handle, measures about 3" deep, 4.25" wide including the handle, and 3.25" in diameter.
This set is in good pre-owned condition.