Looks like Visa has re-brander it self once again. Here is the evolution of the Visa logo.
Times have changed, and Visa International has changed with them. Thirty years ago, Visa was just a credit card company. But over the decades the company has developed into a business that stands for all payment solutions, whether you have R100 or R10 million. Visa have evolved as a company and now their brand identity has done the same – so it is a proper reflection of what Visa represents today and into the future.
And here is the article about it.