Using the example of five shillings and sixpence,
the standard ways of writing shillings and pence were: 5s 6d or 5/6, 5/-
for 5 shillings only, with the dash to stand for zero pennies. This sum
would be spoken as "five shillings and sixpence" or "five and six".
The symbol £ for the pound is derived from the first letter of the Latin word for pound, the librum.
The old abbreviation for the penny 'd' was derived from the Roman denarius and the abbreviation for the shilling 's' from the Roman solidus.
The shilling was also denoted by the slash symbol which is also called a solidus for this reason.