Pounds and Pence

Will and Ariel Durant, in their book The Age of Napoleon
estimate that £1 in 1789 = $25.00 in 1970.

Coin or note	Value	Slang
Farthing	1/4 pence
Pence (d) the d stands for denarius, a Roman coin
Six-pence	6 pence
Shilling (s)	12 pence
Half-crown	2 s 6p
Crown	5 shillings	Bulls-eye, coachwheel
Guinea last minted 1813	21 shillings, or 1 pound 1 shilling
Sovereign new in 1817	20 shillings, or 1 pound (£)	Canary, quid, yellow-boy
Bank notes - Bank of England	£1, £10, £20, a few larger	pony - £25 monkey - £500 plum - £100,000
Bank notes - Rural banks	£5 and upwards

A few quoted prices

A subscription to a lending library - 1 to 2 1/2 guineas
Board and education at a Boarding School - 30 guineas a year
To maintain a fashionable livestyle - £3000-6000 per year
A phaeton or curricle - £100