"Linguistic anachronism at <a href=""https://www.youtube.com/watch?v=rssBd3fX8fw&amp;t=0m32s"">0:32</a>.<br><br>A 1d coin was never referred to as "one pence". It was "a penny". Occaisonally a "penny piece" but having grown up with  £sd  I don't remember the phrase "penny coin": it would have felt pedantic as we all knew a penny was a coin.<br><br>Pence as a singular only developed in the fallout from decimalisation", being a contraction of "new pence".<br><br>In fact the 1p coin declared itself to be "1 new penny" and later one simply "1 penny" but the plural masquerading as a singular stuck;  but only ever for decimal currency.<br><br>Most people I would forgive: but a liguist by your<br>Training when you report history please do get the words right