Standard British Coin Grades From Charles II (1660) Onwards as per Spink's Coins of England and The United Kingdom

Grade	Description – From Spink Reference 3777 Onwards (Around 1797AD)
Uncirculated	No wear at all, although it is possible for the design not to be fully struck in the minting process. Older coins may be tarnished or toned.
Extremely Fine	Slight wear on high spots on close inspection. All other detail clear and sharp. Much mint lustre may remain. May appear uncirculated to the naked eye.
Very Fine	Evidence of limited circulation. High spots worn but detail remains. Traces of mint lustre may remain in places.
Fine	Considerable wear over the whole area, but only the highest spots completely worn through.
Fair	Worn. Date, legends and denomination legible, type recognisable. Very little detail visible.
Grade	Description – Prior to Spink Reference 3777 (Around 1797AD)
Extremely Fine	Evidence of limited circulation. High spots worn but detail remains. Traces of mint lustre may remain in places.
Very Fine	Considerable wear over the whole area, but only the highest spots completely worn through.
Fine	Worn. Date, legends and denomination legible, type recognisable. Very little detail visible.
Fair	Very worn. Inscriptions worn off, date barely visible, only outline of design visible.
	Description of Intermediate Grades
Good / Plus	Better than – e.g. Good Very Fine (GVF) / Very Fine Plus - better than Very Fine
Almost	Nearly, or About – e.g. Almost Very Fine (AVF) is nearly Very Fine
	Fine (F) < Good Fine (GF) < Almost Very Fine (AVF) < Very Fine (VF)