was the coin renewed in any way?
In 1799, name of the denomination and the date on the same side as the monarch's head were added.
History of the British farthing
The 1799 farthing broke new ground in two areas: the reverse was inscribed , the first time the name of a denomination had ever appeared on an English or British coin, and it was also the first British coin to have the date on the same side as the monarch's head. 
what is the history of the british farthing? A British coin worth a quarter of an old penny. when did it first come out? 13th century. where was it made? England. what early issue did the coin have? First struck in copper in the early 17th century. who ruled during this period of time? James I of England. Britannia did he ever appear on the coin? Yes, in 1672. was the coin named after a place or person? No, it was derived from the Anglo-Saxon "feorthing", a "fourthling" or "fourth part".
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History of the British farthing [SEP] Soho and renewed regal issues (1799–1837)
The 1799 farthing broke new ground in two areas: the reverse was inscribed , the first time the name of a denomination had ever appeared on an English or British coin, and it was also the first British coin to have the date on the same side as the monarch's head. The inscription on the obverse became , and the reverse depicts a redesigned left-facing seated Britannia holding a spray and spear, with the inscription . In 1806–1807 a further 22.5 tons (23 tonnes) of copper was struck into farthings by Boulton, but the price of copper had risen again and the weight was less than the 1799 issue.