Pfennig Pfennig The pfennig (; pfennigs or ; symbol Pf. or ₰) or penny is a former German coin or note, which was official currency from the 9th century until the introduction of the euro in 2002. While a valuable coin during the Middle Ages, it lost its value through the years and was the minor coin of the Mark currencies in the German Reich, West and East Germany, and the reunified Germany until the introduction of the euro. Pfennig was also the name of the subunit of the Danzig mark (1922–1923) and the Danzig gulden (1923–1939) in the Free City
One pound (British coin) a new 12-sided design, was introduced in 2017, the earliest dated as 2016. The coin has a 12-edged shape, similar to the pre-decimal brass threepence coin; it has roughly the same size as the previous £1 coin, and is bi-metallic like most £2 coins. The new design is intended to make counterfeiting more difficult, and also has an undisclosed hidden security feature called "iSIS" (Integrated Secure Identification Systems), thought to be a code embedded in the top layer of metal on the obverse of the coin, visible only under a specific wavelength of ultraviolet light. Current two-pound coins, being bi-metallic