Since the Norman Conquest in 1066 and until 1971, the pound was divided into twenty shillings, and each shilling in 12 pennies.
Symbols were:
The current values where:
First appeared 1829 under the reign of George III.
Appeared 1998 dated 1997 as a regular coin. Earlier mints of the £2 coin where commemorative. 1986-2016
A guinea value was one pound and one shilling (£1/1s/0d) = 21 shilings or 21/- (£1,05 value)
Guineas were coined in gold and weighted a quarter onze 8.4g
Guineas were considered a more gentleman amount than pounds. You would pay tradesmen in pounds, but artists in guineas.
In 1816 guineas were replaced by pounds.
A £1 coin was called a Sovereign as it was made out of gold (0.2354 tory oz of pure gold). This coins remained in circullation until the first world war, when they were replaced by paper ones.
If it was a paper printed one, it was called a quid.