4 farthings (far.) = 1 penny (d.)
12 pence (not pennies) = 1 shilling (s.)
20 shillings = 1 pound (£), or sovereign
5 shillings = 1 crown
21 shillings = 1 guinea
The standard unit of Sterling Money is 1 pound or sovereign, whose value
in our money is $4.8665.