Plural of penny; British monetary units, where 100 pence equal one pound.
Old English 'penig' evolved into 'penny,' with 'pence' becoming the standard plural form. Pence is a unique English word because it's both singular when referring to amount and plural when referring to coins.
British money is weird because 'pence' can be singular (like 'five pence') or plural—it's one of the few English words where the word stays the same whether you have one or many!
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