German South West African Mark the gold content of the British Pound Sterling was 7.3224 grams, while the gold content of 20 marks was 7.168 grams. According to Gresham's Law, "bad money drives out good", so the "bad" Mark replaced the "good" British Pound Sterling. In 1901, the German Mark became the official currency of German South West Africa, hence replacing the 20 and 5 mark denominations of the German South West African Mark, for which they were also demonetized (although, they continued use in the metropolis of German South West Africa until 1907). In 1923, the coins of the German South West African Mark
Good Times Bad Times Good Times Bad Times "Good Times Bad Times" is a song by the English rock band Led Zeppelin, featured as the opening track on their 1969 debut album "Led Zeppelin". The song was released as a single in the US, where it reached the Billboard Hot 100 chart. For the lead guitar solo, guitarist Jimmy Page fed the output from his Fender Telecaster guitar through a Leslie speaker to create a swirling effect. Jones says that the riff he wrote for this song was the most difficult one he ever wrote. "Good Times Bad Times" was rarely played live at