LSD - old money

LSD was the abbreviation for £:s:d, pounds, shillings and pence; otherwise known as 'old money': the pre-decimal coinage of the UK until 1971.

LSD is an abbreviation of the Latin words libra, solidus and denarius.

• Libra, a pound weight in Latin,
• s. is an abbreviation for shilling in English,
• d. stands for denarius or denarii (a Roman coin)

See http://www.lightstraw.co.uk/finance/index.html