1 pound = 20 shillings
1 shilling = 12 pence, a shilling was sometimes called a bob
240 pence = 1 pound, a penny was sometimes called a copper
Other denominations: largest to smallest
1 guinea = 21 shillings (1 pound & 1 shilling) a guinea was an amount considered more gentlemanly than a pound. Tradesmen would be paid in pounds, whilst more gentlemanly trades, such as a solicitor, could be paid in guineas.
1/2 guinea = 10 shillings & 6 pence (10/6d)
1 crown = 5 shillings
1/2 crown = 2 shillings & 6 pence (2/6d)
1 florin = 2 shillings (2/-) sometimes called a two bob bit
A sixpence = six pennies, sometimes called a tanner
A groat = four pennies
A threepence, or, threepenny bit = three pennies
A half-groat = two pennies
A halfpenny = 1/2 a penny, pronounced hay p' ny
A farthing = 1/4 of a penny