Not long after that, two girls offered me threepence in class to show them my willy.
From the guardian.co.uk
In 1966, two stamps were issued, priced fourpence and 1 shilling and threepence, both carrying Burns'portrait.
From the en.wikipedia.org
Beginning in 1834 threepence pieces were struck for circulation, bearing the same design as the Maundy threepence.
From the en.wikipedia.org
This would have changed the threepence into 2.5 new pence, the sixpence into fivepence and the half crown into a two shilling, five pence piece.
From the en.wikipedia.org
These arms were used by the government and appeared on the sixpence coin from 1910 until 1963, and the threepence, shilling and florin from 1910 to 1936.
From the en.wikipedia.org
These girls were paid 6d a week, although threepence of this was banked on their behalf to build up a cash sum to be given on their eventual departure.
From the en.wikipedia.org
The landlord converted the tokens into cash, but only after deducting threepence per person, which had to be spent on beer, a variation on the truck system.
From the en.wikipedia.org
More examples
Former cupronickel coin of the United Kingdom equal to three pennies
The Australian Threepence was a small silver coin used in the Commonwealth of Australia prior to decimalization. It was minted from 1910 until 1964, excluding 1913, 1929 - 1933 inclusive, 1937, 1945 and 1946. ...
The threepence or thrupenny bit was a denomination of currency used by various jurisdictions in England, Ireland, Scotland and Wales, until decimalisation of the pound sterling and Irish pound in 1971. ...
The three-pence coin was a pre-decimal coin worth 1/80 of an Irish pound. The Irish name (leath reul) literally meant "half reul", the reul being a sixpence coin worth the same as the Spanish real.