Queen Anne was The second daughter of James II.
During her reign the Act Of Union in 1707 was performed incorporating all the realms of England and Scotland in to a single unification. In result of this unification, the royal arms were changed on coinage. Pre union coat of arms encorperated a rose center whilst post union have a central star.
Queen Anne had three bust designs with the second and third bust having a very small facial difference. The third bust was used from 1710-1714.
Our guinea is slabbed and officially graded by the PCGS AU53