Introduction. 1  The Streptococcus anginosus (SAG) group of bacteria (previously known as the Streptococcus milleri group) includes Streptococcus anginosus, Streptococcus intermedius, and Streptococcus constellatus.
These basic cards have a generally low APR, and are unsecured cards. These have a low to medium credit limit, and consist of a few different types, such as balance transfer cards, low interest cards, and student credit cards.
The American Express Centurion card, or black card, is the most exclusive charge card club in the world. How do you get in, and is it worth it? The American Express (NYSE: AXP) Black Card, despite its portrayal in the media and pop culture, doesn't actually exist. However, the American Express Centurion Card does. The most exclusive (and most expensive) credit card in the world comes with a long list of benefits -- and a hefty price tag.