threepenny bit

British  

/ -ənɪ, ˈθrɛp-, ˈθrʌpnɪ /

noun

1. a twelve-sided British coin of nickel-brass, valued at three old pence, obsolete since 1971

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Example Sentences

The current proposed design is a 12-sided coin similar in shape to the pre-decimalisation threepence piece, more commonly known as the "threepenny bit".

From BBC

Joseph Conway, 76, owner and operator of the Irish Corner at the Threepenny Bit, a now-defunct Irish import shop on M Street in Georgetown, died June 21 at a hospital in Washington.

From Washington Post

He bought the Threepenny Bit on Wisconsin Avenue in the late 1960s and opened a location on M Street in 1971.

From Washington Post

He gets a shilling’s worth of fish and chips and my mouth is watering but when we get to Grandma’s door he gives me a threepenny bit, tells me meet him again next Friday and go home now to my mother.

From Literature

The new coin is based on the design of the old threepenny bit, a 12-sided coin in circulation between 1937 and 1971.

From BBC