If you’re looking to get your hands on some TaylorMade Ghost releases that were exclusive for Japan, you better have an eBay account. There are currently multiple versions of this putter series now for sale. Here’s a link for your convenience: eBay TaylorMade Ghost Putters.
Here’s some pictures of the line-up, they come in four models, the CO-72 (Corza), FO-72 (Fontana), DA-12 (Daytona) and ST-72 & 74 (Stingray).
Image Source: Taylormade Japan 2011 Raylor Ghost Putter