https://www.polygon.com/2018/8/9/17670606/ps4-pro-500-million-limited-edition-bundle

Sony is celebrating 500 million units sold across the PlayStation’s lifespan — PlayStation 2, 3, 4, Portable, Vita and PlayStation VR — with a special edition PlayStation 4 Pro. It’s gorgeous. Only 50,000 will be produced.

The case is a translucent dark blue that houses a PlayStation 4 Pro with a 2 TB hard drive. Sony says that when the console’s power light is on, its innards are visible through the case. Each unit has a limited edition number engraved on a commemorative copper plate fixed to the front.