Microsoft Points
Currency
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Microsoft Points, introduced in November 2005 as Xbox Live Points, were a digital currency issued by Microsoft for use on its Xbox and Zune product lines. Wikipedia
Freq. used: Cards of 400, 700, 800, 1200, 1400, 1500, 1600, 2000, 2100, 2800, 3000, 3500, 4000, 4200, 4500, 6000