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 Girl Gone Bad Tour of Rihanna and her band's journey and life on tour. The tour was also due to air on Channel 4 Christmas Day 2008[?]. On November 16, 2008, the concert held in Fort Bonifacio in Manila, Philippines, reached an audience of more than 70,000. The concert was sponsored by MTV Philippines and Globe Telecom. Good Girl Gone Bad Tour The Good Girl Gone Bad Tour was the second overall and first world concert tour by Barbadian singer Rihanna, in support of her third studio album "Good Girl Gone Bad". The setlist was composed of songs mostly from "Good Girl Gone Bad"