This pattern was struck after the Act of the Union in 1707. It is not dated, but would probably have been prepared to promote Her Majesty's new title soon after England and Scotland were united into Great Britain.
Draped bust of Queen Anne facing left; around, the monarch's legend ANNA D G MAG BR FR ET HIB REG; translated from Latin: Anne, by the Grace of God, Queen of Great Britain, France and Ireland.
Rose and thistle growing from a single stem below a crown. There is no legend.
[Book] Grueber, Herbert A. 1899. Handbook of the coins of Great Britain and Ireland in the British Museum., Greuber 803 Pages