What is a small coin, and money of account, in England, equivalent to two pennies, -- minted to a fixed annual amount, for almsgiving by the sovereign on Maundy Thursday called?

twopence — A small coin, and money of account, in England, equivalent to two pennies, -- minted to a fixed annual amount, for almsgiving by the sovereign on Maundy Thursday. (Webster's 1913.)

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